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Forms Data Controls :: How To Bind ObservableCollection To Textbox


How can we bind an observableCollection to textbox that has been created dynamically generated, so any value that has been entered in textbox should be updated in my collection...


View 1 Replies (Posted: May 25, 2010 12:19 PM)

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Related Forum Messages For ASP.NET category:
Forms Data Controls :: Bind An Id To A Textbox After A Record Is Inserted?
I'm trying to bind an id to a textbox after a record has been insertedusing a detailsview.I'm honestly not sure how to do this, I tried differentways using bind but none of them worked.Ultimately, I'm trying to pass this id to a second and third page to be used for record inserts.

This is the code I have so far in the aspx:

[code]....

Posted: Oct 11, 2009 11:14 AM

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Forms Data Controls :: Bind A Textbox To Multiple Items?
I have a textbox "SerialTextBox" that is bound to a parameter "Serial".

This is bound as follows:

<asp:TextBox
ID="SerialTextBox"
runat="server"
Text='<%# Bind("Serial") %>'
/>

I have another parameter called "CountryCode" which is the result of a SQL select.

What I need to do is define the value of a third parameter called "CountrySerial".

This parameter is a concatenation of CountryCode (eg 'UK') + Serial (eg 'sn123') resulting in 'UKsn123'.

I was hoping to do this in the above binding...

Something LIKE...

<asp:TextBox
ID="SerialTextBox"
runat="server"
Text='<%# Bind("Serial") , [CountryCode +"CounrtySerial"] %>'
/
>

I know this newbie sytax is way off.

There are two parts to my question...

(1) how do I bindSerialTextBox to TWO items?

(2) how do I concatenate "CountryCode" to "CountrySerial" during the binding?

Posted: May 27, 2010 10:13 AM

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Forms Data Controls :: Bind The Data To Textbox / Label Using LINQ?
I am just going through LINQ concept. All the examples I have worked so far were working with Data controls such as Gridview, Datalist, etc., But I am wondering, what if I want to bind the data to textbox or label in the ASP.Net form, how should I do that? Like, I want to place the 1st row, 1st column value into Textbox and 1st row, 2nd colum value into label control, etc.,

Posted: Sep 18, 2009 03:51 PM

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Forms Data Controls :: How To Bind A Textbox In A Template Fields Programmatically
I have a gridview to which I'm adding template fields programmatically. Each of the template fields have a textbox. I would like to make this text box have 2-way binding to a database column. see below code.

[Code]....

I'm calling the above class as follows

[Code]....

How can I make the text box such that when I edit the text, this change is reflected in the database as well?

Posted: Feb 06, 2010 03:29 PM

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Forms Data Controls :: Bind ObjectDataSource ControlParameter To EditItemTemplate Textbox
I have an ObjectDataSource with a number of parameters. These parameters are binded in my FormView EditItemTemplate and the ItemTemplate. My Stored Procedure column names in my ItemTemplate are different to the Bind properties used in the EditItemTemplate. This is obviously throwing an exception when I update a record.

Instead of using Bind("Columne Name") in my EditItemTemplate how do I use a ControlParameter to reference a TextBox in the EditItemTemplate?

I may be wrong but I'm trying to use the PropertyName=Controls but i do not know how to reference the Textbox in the EditItemTemplate.

Posted: Mar 11, 2010 10:00 AM

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Forms Data Controls :: Bind Dynamic TextBox Control At Runtime?
I am Developing a database web applicationI am Creating web controls on page at runtime i.e in Page_Init event. No textbox are placed on .aspx page at design timeI have a datatable filled with a single record.now i want to bind a textbox (created at runtime) with a column of datatable so that when a page is loaded value in datatable's column is displayed in textbox.Other Important thing i want is when i make any changes in Textbox, It should be reflected automatically in a column to which textbox is binded. So while saving records i can save it directly from datatable.I dont want to write following tedious code before savinge.g.

DataRow mDr = Datatable.NewRow();
mDr["EmpId"] = TxtEmp.Text
mDr["EmpName"] = TxtEmpName.Text
Datatable.Rows.Add(mDr);

Posted: Feb 17, 2010 04:57 AM

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Forms Data Controls :: Bind Data From SqlDataSource Into Textbox?
I am now trying to bind data from SqlDataSource into a textbox, but the problem that I face is that my DataSource only return a single row. So i don't place my textbox inside any DataView or listview.

Below is my datasource:

[Code]....

So can I possibly bind the data into the textbox?

Posted: Apr 01, 2011 08:10 AM

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C# - Using Bind In TextBox Renders Bound Data Outside The TextBox Control?
I have a ListView (in an update panel) bound to an ObjectDataSource (connected to an NHibernate object) and in the EditItemTemplate I use Text='<%# Bind("HideLocation")%>' to bind to a string property of the object.

When I click edit (twice, another issue I'm having) and view the code in Chrome, the output looks like this:

[code]....

why the value of the bound data (in this case: In locker 2317) is showing up outside of the text box instead of as the contents of the data?

Posted: Jul 30 10 at 13:17

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Web Forms :: Bind Data To Textbox?
an example of how tobind data to a series of textboxesie make the connection, get theresults and add it to a text box...

Posted: Oct 05, 2009 01:58 PM

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DataSource Controls :: Unable To Bind Textbox With Javascript Textbox?
I'm trying to use a javascript Date and Time calendar in my Insert and Edittemplates in a Detailsview that is bound toSQL Fields.The reason Iam trying the javascript date timeselectoris that I need to have the date and time, the asp.net one is just the date part.

I tried using it with an asp:textbox on just a plain aspx page and it works like a charm, however when Iadd it to the detailsview i keep on getting the "Error: Object required" am I missing a step here? That and seeing as I'm using a site master page where exactly do I put the:

[Code]....

Posted: Mar 08, 2010 06:31 PM

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Forms Data Controls :: Textbox Format Currency / Bind For The Edit View, The Textbox1 Loses The Format?
In my gridvidview template, I have a Label1=Bind("price", "$ {0:f2}") and I see thecurrrency correctly.

However, when I do the same bind for the edit view, the Textbox1 loses the format. I am confused on why this happens.

Posted: Dec 02, 2009 10:53 PM

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How To Save Images Form ObservableCollection
I got this define:

ObservableCollection<WriteableBitmap> images

adding images to it:

images.Add(newImage)

how to save those images in a specific folder?

Posted: Dec 27, 2009 11:33 AM

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Web Forms :: How To Bind Data To A Textbox Using Dataset In Asp.net Web Forms
I am trying to bind data to a textbox in a web form as I do in win forms using dataset and binding manager.I also want to navigate through data by providing next and previous button. I am not able to achieve it. Could you please help me by providing an example? I don't want to use gridview or listview or any other. I only want to use textboxes.

Posted: Mar 27, 2011 02:04 PM

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ADO.NET :: How To Read And Bind Xml Data Into Textbox And Also Save It
how to read xml file and bind data to textbox here is my code to bind xml data to Gridview now on my gridview i have edit button

string filePath = Server.MapPath("~/feed.xml");
FeedDataSet = new DataSet();
FeedDataSet.ReadXml(filePath);
if (FeedDataSet.Tables[0].Rows.Count > 0)
{
GridView1.DataSource = FeedDataSet.Tables[0].DefaultView;
GridView1.DataBind();
}

example

name id edit
xyz 1 changename

now if i click on changename link . it pass id and edit option to same page as
xyz.com?id=1&action=edit

now how i can fill the text box using this id and if i change name and say save button then how u can save that file to xml

Posted: Feb 19, 2011 06:07 PM

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DataSource Controls :: Can Bind Textbox With ObjectDataSource
Is it possible for me to have an ObjectDataSource and the bind a texbox to a certain field to it?

Posted: Mar 09, 2011 07:40 PM

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Web Forms :: Inline Bind Hiddenfield Or Textbox Field
I have been at this for two weeks now without any success but I know I have to get a solution to move forward with my design. Is there any way to bind data from a SQLDataSource to a Hiddenfield or Textbox WITHOUT binding via the data controls like gridview, formview, datalist, etc. I do not want to use any of those controls. I need to do inline binding. Please provide the working code example. The hiddenfield or textbox would be named eid. The SQLDataSource name is GetDataEid. Again, if you reply and you submit code I can try please provide the full working solution. These do not work. They have already been attempted:

<asp:HiddenField ID="HiddenField1" runat="server" Value="<%#Container.DataItem("FieldName") %>" />
<input type="hidden" id="hdnId" name="hdnId" runat="server" />

and write the following code in your page load method

hdnId.Value=yourDbValue.ToString();
asp:HiddenField ID="hid" runat="server" Value='<%#Eval("column name") %>' />

Posted: Dec 17, 2010 02:55 PM

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AJAX :: To Bind Data To This Control In Code Behind File - Taking 3 To 4 Minutes To Bind Data And Display The Page
i am using ajaxtoolkit:combobox and i tried to bind data to this control in code behind file.but it is taking 3 to 4 mints to bind data and display the page. I am providing my aspx code and code behind code here

[Code]....

Code behind code:
[Code]....

GetPrograms() method will return almost 6000 records. to load the control it is taking almost 4 minuts..

Posted: Aug 27, 2010 09:37 AM

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Forms Data Controls :: Data Is Not Binding In The GridView1_PageIndexChanging Method - How To Make Data Bind
.I have a search page where I would search for an item and it would dispaly the results in a gridview...

I have allowed paging and set page size to 10..now I can see the 10 results in the first page and also see the page numbers at the bottom of gridview. But now when i click on the page 2, the method gridview_pageindexchanging is triggered but the result set is not dispalyed. My code is as below..

[code]....

i understand that the data is not binding in the GridView1_PageIndexChanging method..I do not know how can I make data bind..

Posted: Jan 12, 2010 02:43 PM

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Forms Data Controls :: Get Gridview Footer Textbox Value In Outside Textbox On Blur?
How To Get gridview Footer Textbox value inasp.net outside textbox on blur....

Posted: May 08, 2010 01:57 PM

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Forms Data Controls :: Finding Textbox In Gridview / Find The Value Of The Before Textbox
I have a gridview with a template field column. In the edittemplate of that column i have a textbox. In the next column of the gridview i have a button. When i click the button i need to find the value of the before mentioned textbox. I do it like this:

gridview1.selectedrow.findcontrol("textbox1"). This sometimes work just fine and without a problem but sometimes it seems it can't find that control and throws a null reference object. The error it's random like i said, sometimes just work and other just don't work...

Posted: Sep 28, 2010 04:07 PM

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Web Forms :: How To Bind The NavigateUrl Of A Link Inside A Validator To The Contents Of A TextBox
Here's a bit of the code.

<p>Description: <asp:TextBox ID="description" runat="server" />
<asp:RequiredFieldValidator ID="RequiredFieldValidator3" runat="server" ErrorMessage="" ControlToValidate="description">
You have to enter the movie description, so people would know what it is about. If you don't know how to obtain a description, click <asp:HyperLink runat="server" id="search" NavigateUrl="<%# Bind('name.Text', 'http://www.imdb.com/find?s=all&q={0}') [code]....

Posted: Dec 05, 2010 08:10 AM

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Forms Data Controls :: Unable To Capture The Updated Value Of Texbox Within Gridview: TextBox TextNewQuantity = (TextBox)
I have been trying to achieve the following:

1-Allow the user to change the quantity in a textbox i.e // "txtQuantity"

2-capture the newly entered quantity i.e //int integerNewQuantity= int.Parse(textNewQuantity.Text);

3-update the database using the newly entered quantity i.e. //UpdateItem(data,integerNewQuantity)

Problem:1-I have not been able to capture the text i.e. the newly entered quantity i.e. the value entered in the text box "txtQuantity"

2-Hence the database is updated using the existing value and NOT the new value unless I make a constant assignment as below:

textNewQuantity.Text = "2"; When tested the assignment of any number correctly updates the database. see the c# code:

C# code: Version.1
protected void btnUpdate_Click(object sender, EventArgs e)
{
txtItemDescription.Text = txtItemDescription.Text + "from btnUpdate talking.."; [code]....

Posted: Feb 04, 2010 06:36 PM

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Forms Data Controls :: If And Else (Show The Textbox And Hid Textbox) Using Itemtemplate?
this is my asp code

<ItemTemplate>
<table width="100%" border="0" cellpadding="0" cellspacing="0">
<tr>
<td width="19%">TRANS. NO. </td>
<td width="1%">:</td> [code]...

if the ID is NULL in the database the table or the ITEM will be hide...

Posted: Jun 15, 2010 10:37 AM

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Binding Data From LinqDataSource To Textbox / How To Bind Texbox To One Property From Linqdatasource
How I can bind texbox to one property from linqdatasource?

I mean something like databinding contols in c# app

Posted: Sep 1 10

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Forms Data Controls :: Textbox Populating From Another Textbox?
I am using VWDwith a page that includes a formview and gridview. At the top of the page isa textbox, with and ajax calendar extender where the user selects a date.

The gridview is filtered on this date. I would also like to prepopulate a textbos in the formview insert template with this same date.

Posted: Apr 15, 2010 12:32 AM

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Forms Data Controls :: How To Read A .txt File And Bind Data To ASP.NET Gridview At Run Time
Mr requirement is i am uploading a .txt file and read that .txt file and bind that data to ASP.NET Gridview control.My .txt file is look like below:

% Compressor type: GT12 C224(38) 55 Trim 0.38 A/R
% Turbine type: GT12 T202(35.5) 72 Trim 0.39 A/R
% Initial data file name:20050669-02.cdt
% Polar inertia: [kg.m2]
% Comment:DATA REDUCTION CODE REV 2.04 RELEASE 03-OCT-2004 (REFERENCE: REPORT 99-0145. REPORT 03-0901. TI-056)
% P reference: 100000Pa - T reference: 298 K
% NC WC PRC ETAC
% RPM KG/S T-T ----
115030.5714 0.0170 1.3398 0.5698
115030.5714 0.0239 1.3209 0.6155
115030.5714 0.0291 1.3020 0.6282
115030.5714 0.0339 1.2822 0.6377
115030.5714 0.0380 1.2576 0.6209
115030.5714 0.0416 1.2311 0.5955
134956.4286 0.0405 1.4045 0.6852

How to read this file and bind data to gridview control.

Right now i am using the following code but it stores whole data in a single column and a single row but i need it in four columns named NC, WC, PRC,ETAC and it's values in respected columns.

Code:

protected void Button1_Click(object sender, EventArgs e)

{
String ext = System.IO.Path.GetExtension(FileUpload1.FileName).ToUpper();
if (ext == ".TXT")
{
String content = System.Text.Encoding.ASCII.GetString(FileUpload1.FileBytes);
String[] ar = content.Split(';');
GridView1.DataSource = ar;
GridView1.DataBind();
}
}

how to get data in four columns in Gridview as a tabular format. I am using technologies Visual Studio 2005, ASP.NET 2.0,C#.NET 2.0 and Windows Xp Operating system.

Posted: Dec 10, 2010 08:47 AM

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Forms Data Controls :: GridView Bind Field Foreign Key's Data Record
I have two tables

Employee Table : ( EmployeeID,EmployeeName,... Etc )
Bonus Table : ( BonusID,EmployeeID,BonusDate,Bonus Reason,... Etc )

I wanted to list the bonuses in a gridview, so i made a query to return list of bonus records and my data access object returns the result set as Bonus business object ( generic collections of bonus BO). i have bind my gridview with the bonus collection.

now my problem is thatcollection has the property "EmployeeID"and it will be displayed but instead of showing EmployeeID, i wanted to show Employee Name in that grid. I have a gridview where i want to list the bonus records ( bonus ID,bonus date, bonus description, employee ID),

Posted: Dec 06, 2010 05:20 AM

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Forms Data Controls :: Bind Gridview With Data Table And Save Rows?
I want to bind gridview with datatable in this dt ihave 4 columns , dt

Id Name isdelete value
1 xyz true
2 uio false
3 bbb true
4 ccc false

this is gridview

[Code]....

but i want not bind those rows whose isdelete coumn value is false and i want to show 4 th column as textbox and user will enter some text or number and if he click save button outside of gridview one record shld save in database

Posted: Jan 05, 2011 05:58 AM

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Forms Data Controls :: How To Bind A Particular Directory's Files To A Data Grid Control
wanted to bind all the files of a directory named "ABC" to a data grid and show them in a .aspx file as downloadable contents. When the user clicks a certain file link, here, the download starts immediately.

Posted: Nov 30, 2010 01:42 PM

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Forms Data Controls :: Bind Different Data Coming From Sqldatasource To Label In Listview?
i am facing a minor problem but can't find out its syntaxi have listview, and inside the template i have 2labels, in design time i bind1 label to one column thatis 'type' and depending upon this type i want to bind other labels to different columnsif type is question than2 label will have to show data of question columnif type is job than2 label will have to show data of job, so on........how to accomplish this,in databinding event handler i can check the value of typebut i want to know the syntax of binding 2 label in run time, with different fieldsusing EVAL

Posted: Jun 18, 2010 06:13 AM

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Forms Data Controls :: FormView Datasource Doesnot Bind Show Data?
I have a form view in ajax modalpopup extender. On click ofbuttons (Add, edit, View asp Buttons , which is on aspx page) I show modalpopup extender with formview. When I click on "Add" button , Icreate an emptylist of business object, create a new business object,put some data in business object, add newly created business object to list, assign list as datasource property of formview, call BindData() of form view and show popup by calling its show() method. Problem is that, FormView doesnot bind show data. On prerender of formview, when I check Formview.dataitem property, it is null. Why?

Posted: Dec 31, 2009 09:18 AM

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Forms Data Controls :: How To Dynamically Bind Data To Repeater Inside Gridview
I have put Repeater inside a Gridview. It worked fine but now I would like to change the Repeater's dataselection dynamically depending on what row in the gridivew.

In gridview.rowdatabound I have tried this but the repeater doesnt respond to it:

sqldatasource1.selectcommand="SELECT * from mytable2 WHERE itemid=" & e.Row.DataItem("itemid")

Right now I have the Repeater's datasource set with SqlDataSourceID.

<gridview>
<Repeater>
</gridview>

Posted: Nov 05, 2009 09:39 AM

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Forms Data Controls :: How To Bind The Data In Repeater Without Duplicate Column Values
sample SQL data:

table1:

eid ename
1 vijay
2 shankar

table 2:

id eid sal
1 1 4000
2 1 3000
3 2 2000

i want to bind the below data format in repeater.

vijay
4000
3000
shankar
2000

Posted: Feb 07, 2011 04:26 PM

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Forms Data Controls :: Providing Links For Folders In Gridview Bind Data?
I need to display foders n files information(type,size,date modified etc) of a particular directory in a gridview.I need to make the folders as links and files as labels before binding the data.

Posted: May 07, 2010 02:22 PM

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Forms Data Controls :: Data Bind In GridView At Level Through Eval Function?
I want to bind two column on single level in GridView

I m using this code

<asp:Label ID="Label1" runat="server" Text='<%# Eval("lChannelName")+ " " +Eval("lTransformData") %>' >
</asp:Label>

But i want to bind First column at Left hand side and second column from right hand side

Posted: Jan 12, 2011 08:34 AM

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Forms Data Controls :: How To Bind Object Data Source With Bullited List
i wanted to retrieve things from the data base and perform mathmatical operations on it then post it to the user, so i was told to use the bullited list and bind it to the object dataSource

how to perform such thing??

Posted: Sep 27, 2010 02:02 PM

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Forms Data Controls :: Why Data List Is Not Bind In Free Class Button
datalist not bind when i click asign classs button thenentersome value and save.. datalist is bind when i click free class button then enter some value and save ... data list is not bind and show show that record...but it will save in database

why data list is not bind in free class button?

i bind through datalist.databind()

Posted: Dec 29, 2010 08:40 PM

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Forms Data Controls :: Unable To Bind Data Inside Checkbox List
i m unable tobind data inside checkbox list. this is my code

protected void dlBreeds_ItemDataBound(object sender, DataListItemEventArgs e)
{
try
{
if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
{
CheckBoxList cbl = e.Item.FindControl("cblAnimaltype") as CheckBoxList;
if (cbl != null)
{
cbl.DataTextField = DataBinder.Eval(e.Item.DataItem, "BGName").ToString();
cbl.DataValueField = DataBinder.Eval(e.Item.DataItem, "ID").ToString();
}
}
}
catch (Exception ex)
{
pnlStatus.Visible = true;
lblMessage.Text = ex.Message.ToString();
}
}
protected void BindAnimals()
{
//*********************************************************************************
// Purpose : To bind breeds in listbox
// Inputs : Nothing
// Returns : Nothing
//*********************************************************************************
DataSet ds = new DataSet();
try
{
ds = InvertebrateProviders.GetBreedsName_Invertebrate(1);
if (ds.IsInitialized)
{
DataView dv = ds.Tables[0].DefaultView;
dv.RowFilter = "ID<>0";
dlBreeds.DataSource = dv;
dlBreeds.DataBind();
}
}
catch(Exception ex)
{
pnlStatus.Visible = true;
lblMessage.Text = ex.Message.ToString();
}
}
<asp:DataList id="dlBreeds" runat="server" DataKeyField="BGName" OnItemDataBound="dlBreeds_ItemDataBound" RepeatDirection="Vertical">
<ItemTemplate>
<asp:Panel ID="pnbBreed" BorderColor="#7f9db9" Height="129px" Width="220px" ScrollBars="Vertical" BorderWidth="1px"
BorderStyle="solid" runat="server" Visible="true">
<asp:CheckBoxList ID="cblAnimaltype" DataTextField='<%#Eval("BGName") %>' DataValueField='<%#Eval("ID") %>' AutoPostBack="True" runat="server" Height="129px" CellPadding="0" CellSpacing="0"
OnSelectedIndexChanged="cblAnimaltype_SelectedIndexChanged" Width="200px" >
</asp:CheckBoxList></asp:Panel>
<asp:CheckBoxList ID="cblBreeds" Height="90px" Width="200px" runat="server" ></asp:CheckBoxList>
</ItemTemplate>
</asp:DataList>

Posted: Feb 16, 2010 06:25 AM

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Forms Data Controls :: Bind A Multidimensional Arry (or List) To A Data Conntrol?
I would like to bind a multi domensional arry to a data control (at the moment any data control will do - I just want to present the data).

suppose I have the following array:

string[,] strArr = new string[5,3];

strArr[0,0] = "0,0";
strArr[0, 1] = "0,1";
strArr[0, 2] = "0,2";
strArr[1, 0] = "1,0";
strArr[1, 1] = "1,1";
strArr[1, 2] = "1,2";
strArr[2, 0] = "2,0";
strArr[2, 1] = "2,1";
strArr[2, 2] = "2,2";
strArr[3, 0] = "3,0";
strArr[3, 1] = "3,1";
strArr[3, 2] = "3,2";
strArr[4, 0] = "4,0";
strArr[4, 1] = "4,1";
strArr[4, 2] = "4,2";

can you provide an example of how to dind this array to any of the standard data controls?

Posted: Dec 08, 2010 02:35 AM

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