Forms Data Controls :: Create Empty Gridview In C# Web Application

Aug 31, 2010

i want to create empty gridview in c# web application,having 4 columns,columns are editable,final column contain buttons for save,insert new entry n delete,on save button clicking datas inserted into the column fields are inserted to database,on delete button clicking specified row is removed and on add new entry button clicking another empty rows with above fields are appended below.

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Forms Data Controls :: Getting Text As Empty String When Gridview Cell Is Empty?

Feb 19, 2010

I have a gridview with two bound fields. On clicking a button i want to display the values in first row of gridview in two textboxes. But if gridview cell is empty i am getting the text in textbox to which the value of cell is given as -' 'i know my problem will be solved if i use the template fields instead. But i want a solution while maintaining the bound fields ,if any.

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Forms Data Controls :: Display A One Row Gridview When Gridview Is Bound To Empty Dataset

Jan 13, 2010

If the gridview binds to empty dataset, I need to still show a gridview so that users can ADD more using the textfields in the bottom of the footer template. Since the gridview is empty it won't bind not allowing rendering of the <footer template> I guess I should create a empty dataset if the gridview is empty. How do I check for this and can this be done in GridviewRowEventArgs

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Forms Data Controls :: DropDownList In GridView Seems To Empty

Apr 27, 2010

I'm trying to generate a dropdownlist in a GridView. However, my dropdownlist seem to be empty and I'm not sure how to fix it. Here's my code for the dropdownlist in my GridView & it's SqlDataSource.

DropDownList in GridView:
SqlDataSource for DropDownList:
[Code]....

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Forms Data Controls :: Old Values Empty In Gridview?

Jan 24, 2011

I'm writing a gridview in VB.NET that is bound programatically in the Page_Load function. I am binding the data in the 'If Not Page.IsPostBack Then..." structure. And as you can see, I'm using TemplateFields instead of BoundFields. And I need to access the e.OldValues in my RowUpdating function, but they come up empty.

Here's my code:

[Code]....

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Forms Data Controls :: GridView Empty Rows?

Oct 6, 2010

I bind data to GridView from SqlDataSource. GridView have <19 rows. But i want that all 19 rows are written. If Rows in SqlDataSource are empty it's must be empty in GridView but must be there!

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Forms Data Controls :: How To Display Empty GridView To Insert New Record If No Data Retreived From Data Table

Jan 11, 2010

How to display empty GridView to insert new record if no data retreived for some record on the result from data table?Actually i am trying to give a user an option to add recrod from Gridview. On result of some query it is perfectly displaying data and a footer row with the insertion textbox but when there is no data in the gridview it is not displaying. It should display with footer having insert textbox.

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Forms Data Controls :: Show Header When Gridview Is Empty

Mar 25, 2011

I have a gridview and i wanted to add a row when the gridview is empty, so that the header would be shown anyway. I have read about it on the web but i can't quite understand where exactly should i add the row.

My grid is binded by a sqldatasource. I am already adding a second header for the grid (to display some filters, and they need to be shown even if there are no results so that the user can perform another "search"), on rowCreated event, so, where am i supposed to add the row? Which events are fired even if the gridview is empty?

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Forms Data Controls :: Gridview Hide Column If Row Is Empty?

Feb 10, 2011

provide an example to do that... "Hide column if row is empty" in Databound()

datasource could be .1

coulmn: id-value1-value2-value3

row: 1-4-3-NULL (output: hides row value3) because the value is NULL

.2

coulmn: id-value1-value2-value3

row: 1-4-NULL-NULL (output: hides row value2,value3)

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Forms Data Controls :: Hide Columns In Gridview When Empty?

Feb 16, 2010

I have a Gridview and I want to hide a column when empty. The code works then the column is in Boundfield but not in Templatefield. Can anyone show me the code of how to do it in Templatefield?

Here's my code using OnDataBound event:

protected void hideColumn(object sender, EventArgs e)

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Forms Data Controls :: If Gridview Is Empty Then How To Hide The Heading Above It

Oct 6, 2010

i have a gridvew on my page as below and above it is a heading. If the gridview is empty

then the page is blank but the header above is still there which does not look right. SO i want to hide the header as well but dont know if I can put the <h1> in the gridview or do i need to call some other code to check if gridview is empy and then hide the DIV??

[code]....

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Forms Data Controls :: Hide GridView When DataSoucre Is Empty?

Dec 24, 2010

I am using ObjectDataSource as a datasource for the GridView. ObjectDataSource has folowing select parameters

[Code]....

And the selecting event of ObjectDataSource is

[Code]....

GridView has EmptydataRow which I want to hide when Session["TodaysDate"] is null. I tried

[Code]....

But still EmptyDataRow will appear

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Forms Data Controls :: How To Retrieve Value From Empty Gridview Cells

May 26, 2010

When retrieving values from Gridview empty cells, you will get " " instead of a empty string or null.

Someone once change the columne's properties as following, but it doesn't work

ConvertEmptyString > true
HtmlEncode > false
HtmlEncodeFormatString >false

One solution is to check if the cell value is " ". If so, assign it an empty string. But this approach looks awkward.

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Forms Data Controls :: Displaying An Empty GridView And Inserting A New Row In It?

Jan 13, 2011

I have a GridView which works perfect when it is not empty. Now when the source is empty I want to show an empty GridView and to be able to insert rows inside.

I have this code for the page_load event:

[Code]....

but I got the following error:

Exception Details: System.NullReferenceException: Object reference not set to an instance of an object.

Source Error:

[Code]....

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Forms Data Controls :: Displaying Header When The Gridview Is Empty?

Mar 15, 2011

I have followed this thread

[URL]

and I have tried most solution and still I cant get the right results...I need a simple workable solution. I would like to display the header of a gridivew when it is empty

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Forms Data Controls :: Can Show The Footer Row In An Empty Gridview

Jul 2, 2010

I've got a gridview in which I have a footer that I use to insert rows into the grid. However, if the grid is empty no data is displayed (including the footer). Is there a way to still show the footer row so a user can insert additional rows into the grid despite it starting out as empty?

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Forms Data Controls :: Textbox Values Of Gridview Are Always Empty?

Jul 20, 2010

I am using gridview control in asp.net and doing insertion using template field in gridview. In c# i am getting those textbox values by type casting and id should return a integer value. i enter values in all fields of gridview and giving a command name as AddNew to insert the new values, insertion takes place but all fields are empty and id field is 0. how to take the values from textbox and also i should return a integer value for id. i paste my code below.

protected void OnRowCommand(object sender, GridViewCommandEventArgs e)
{
TextBox txtNewName = (TextBox)GridView1.FooterRow.FindControl("txtNewName");
TextBox txtNewpwd = (TextBox)GridView1.FooterRow.FindControl("txtNewpwd");
TextBox txtNewId = (TextBox)GridView1.FooterRow.FindControl("txtNewId");
TextBox txtNewEmail = (TextBox)GridView1.FooterRow.FindControl("txtNewEmail");
TextBox firstName = (TextBox)GridView1.FooterRow.FindControl("txtNewFirstName");
TextBox lastName = (TextBox)GridView1.FooterRow.FindControl("txtNewLastName");
TextBox designation = (TextBox)GridView1.FooterRow.FindControl("txtNewDesignation");
if (e.CommandName.Equals("AddNew"))
{
int id = Convert.ToInt32(txtNewId.Text);.......

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Forms Data Controls :: Dynamic Gridview Is Empty On RowUpdating?

Mar 18, 2010

[Code]....

Dynamic Gridview is Empty on RowUpdating

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Forms Data Controls :: Gridview Table Alignment / After Every Row Getting One Empty Row?

Aug 31, 2010

i designed a gridiview, within that ItemTemplate i drew an table then tr then some of td's, now the problem is after every row im getting one empty row. below is my code

<ItemTemplate>
<table cellspacing="0" cellpadding="0" style="border-right:1px solid Black;" >
<tr >
<td width="1%" align="center" style="border-right:1px solid Black;">
<span style="">
<asp:ImageButton ImageUrl="~/inc/img/img1.gif" runat="server"
CommandName="Expand" Style="display: none" Width="11px" />
</span>
</td>
<td width="5%" style="border-right:1px solid Black;" > <%--onclick="ShowMenu( <%# Container.DataItemIndex + 1 %>);--%>
<asp:Label runat="server" Text='<%# Eval("data1")%>'></asp:Label> </td>
<td width="5%" >
<asp:Label runat="server" Text='<%# Eval("data2")%>'></asp:Label>
</td>
</tr>
</table>

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Forms Data Controls :: Display An Empty Gridview For Insert?

Jul 14, 2010

i was able to implement a gridview with insert, edit and delete features, but I NEED to be able to display an empty row for insert even if the select statement returns no row. How do I do that?

Here is the code I have so far:

<asp:Label ID="Label2" runat="server" Text="Accession # "></asp:Label>
<asp:TextBox runat="server" ID="accession_num" AutoPostBack="True"></asp:TextBox>
<asp:SqlDataSource ID="SqlDataSource2" runat="server"
ConnectionString="<%$ ConnectionStrings:pdmstestConnectionString %>"

[Code]....

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Forms Data Controls :: Find And Set DetailsView Controls In Empty Data Template In Gridview

Oct 31, 2010

I would like to find controls in the detailsview control placed in the EmptyData Template of the gridview. I am trying to create Insert new record for the gridview control.

1. If there are existing records in the table - works fine and sets my two values: I placed Detailsview and Insert Button in the footer of the gridview. I needed to set the values of two fields. When I click on the Insert button it saves new record and sets the field with the value (code attached - works fine). I also have a popup extender that opens detailsview - this works just fine.

2, If ther are not records in the table - saves record but cannot find and set controls on the detailsview Same thing setup in the EmptyData Template. The record is saved but I cannot Find and set the field value on the control.

1. Link button (on click) in the gridview footer (works fine)

protected void LinkButton1_Click1(object sender, EventArgs e)
{
string zupa1;
zupa1 = ddlSelectEmployee.SelectedValue;
try
{
DetailsView zupa = (DetailsView)gvTraining4.FooterRow.FindControl("DetailsView1"); TextBox zupa2 = (TextBox) zupa.FindControl("txtInsertEmployee");
zupa2.Text = zupa1;
}
catch
{
}
DetailsView dettraining = (DetailsView)gvTraining4.FooterRow.FindControl("DetailsView1");
TextBox training = (TextBox) dettraining.FindControl("txtTrainingType");
training.Text = "4";
}

2. EmptyDataTemplate.FindControl - can save record but cannot access txtInsertEmployee and txtTrainingType

DetailsView zupa = (DetailsView)gvTraining4.EmptyDataTemplate.FindControl("DetailsView1");TextBox
zupa2 = (TextBox)zupa.FindControl("txtInsertEmployee");TextBox
training = (TextBox)dettraining.FindControl("txtTrainingType");"4";

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Forms Data Controls :: Empty Data Text In Gridview When Page Load Itself

Mar 21, 2011

I have a 3 text boxes. When i enter datas in and click the button it displays the gridview with filtered data. Now my problem is if there is no data in gridview it has to show "no data" so I used emptydatatext property.. The problem is, in the page load itself it shows "no data"

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Forms Data Controls :: Dropdownlist In Gridview UpdateParameters Empty Data On Edit

Dec 2, 2010

I have a problem with my dropdownlist on edit he doesn't want to add any of his parameters to the update. I tried controlparameter and normall parameter both didn't work The folowing I have: Dropdownlist with Datasource: I Have a gridview with templatefields: I have the following asp.net code:

[Code]....

I have the following Business Layer where it connects to:

[Code]....

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Forms Data Controls :: Adding Row To GridView If Data Source Is Empty

Oct 12, 2010

I'm using a GridView to output some information regarding an account, specifically account balances. Problem is, if there is no balance linked to the account, I need for the grid to simply display 0 for each column. EmptyDataText isn't sufficient as the columns still need to be listed, but just have the value 0.

After researching it seems like I will need to add a dummy row to the gridview if it is empty, but how do I do this using C# and ASP? Quick note as well, not sure if it's relevant but the grid will only ever contain one row.

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Forms Data Controls :: Applying Dynamic Text To The Gridview Empty Data Template?

Jan 20, 2011

I want to change the text of gridview empty data template based on diff scenerio's.

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