Forms Data Controls :: Converting Value Of Sql Field In Datagrid?
Mar 30, 2010
I have a field in sql select statement that I want to read to a datareader and convert that value from the field to a word to display in a datagrid. i know that sounds confusing but let me give you an example.I have a field called duration_interval in a sql table and it has data values of 'ww' for Weeks, 'dd' for Days and 'mm' for Months. When I load the Datagrid I want the field for this value to say Weeks instead of ww, how do I convert the 'ww' value to show the word Weeks in the datagrid? Below is the select statement and the code for the datareader I have on my page now that isn't working correct:
[Code]....
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Similar Messages:
Mar 30, 2010
I have a field in sql select statement that I want to read to a datareader and convert that value from the field to a word to display in a datagrid. i know that sounds confusing but let me give you an example.
I have a field called duration_interval in a sql table and it has data values of 'ww' for Weeks, 'dd' for Days and 'mm' for Months. When I load the Datagrid I want the field for this value to say Weeks instead of ww, how do I convert the 'ww' value to show the word Weeks in the datagrid? Below is the select statement and the code for the datareader I have on my page now that isn't working correct:
[Code]....
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Apr 6, 2010
I have 2 grids gvParent & gvChild I would like to filter gvChild when a row is selected in gvParent the linking fields are contractNo
I added a column for selecting:
<asp:TemplateField ShowHeader="False">
<ItemTemplate>
<asp:LinkButton ID="LinkButton1" runat="server" CausesValidation="False" CommandName="Select"
OnClick="LinkButton1_Click" Text="Select"></asp:LinkButton>
</ItemTemplate>
</asp:TemplateField>
I know how to handle the filtering of the grid (create a criteria and set to rowfilter of the dataview) But, I dont know how to get the value of the column of the selected row.
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Mar 4, 2011
I have Datagrid , i want to clcik on row and get data in textbox , but my textbox is FreeTextBox control,i tried to use javascript but work for asp.net control not working for freetext box control, how i can capture this code is sample code but it work for asp.net control but not working for my freetextbox
[Code]....
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Sep 22, 2010
Simply put... I want to duplicate the example found at this link, in VB.net rather than C#.
[URL]
I would like the selectedvalue of the dropdown to display additional data base on its selection in multiple text boxes.
I have tried using the DropDownList OnSelectedIndexChanged property, within a DataGrid EditiItemTemplate, but I cannot retrieve data from the selection. (AutoPostBack is "True"). I can however use a button onclick event to fire a "prre-defined" selection value.
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May 27, 2010
I have 2 datagrid (using .net 1.1). I need to access column of second grid ( i need to make a column of second grid as disabled) when i click "Cancel" link button in First Grid. How can this be done?
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Jan 7, 2010
int no = int.Parse(hidden_field.Value.TrimStart()); it cause the error: input format was not in correct format. how to fix it?
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Sep 30, 2010
I have "Order" object with Columns Ticket,OTP and CustomerName etc.Intially on DataGrid, I'm binding Ticket only , when user clicks on "Column Chooser" button, another windows appears to pickup CustomerName,OTP columns to add specified column dynamically on Datagrid. Environment : Asp.net ,C# with Object Data source
Public Class Order
{
publc void Order()
{
}
public string Ticket
{
get
{
return this.strTicket;
}
set
{
this.strTicket = value;
}
}
public string OtpNumber
{
get
{
return this.strOtpNumber;
}
set
{
this.strOtpNumber = value;
}
}
public string CustomerName
{
get
{
return this.strCustomer;
}
set
{
this.strCustomer = value;
}
}
}
}
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Jan 8, 2010
I had called the data from query to data table and now i have a gridview in which i am using one datalist and 2 text boxes and and reming coloumns are bounded iahve to assiaign them values which datatable have either null or any value.
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Apr 22, 2010
I am using a GridView Control to display multiple fileds with 0's and 1's.
I am using template fields where CheckBoxes are used.
Where exactly and how do I apply the Logic to get a checked CheckBox when field Value=1 and unchecked CheckBox when field Value=2 .Also some times to be able to write a YES where fieldValue=1 or NO where filedValue=0
Do I apply this logic using asp or C#? How?
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Jul 9, 2010
I have 2 fields in my gridview one called ScriptType the other BagNo, when a user click the edit button, I would like the BagNo filed to be disabled if the ScriptType field is = "TTA" and enabled otherwise. How can I do this?..something along these lines see below..I am using VB..
[code]...
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Apr 1, 2011
I have a DetailsView on the page and I have made one of the fields a TemplateField. In the EditItemTemplate and InsertItemTemplate I have a DropdownList that is databound to a table in my Sql Server database. I wanted to add an initial value to the DropdownList
namely "- select -" .
I set the AppendDataBoundItems property to true and added the initial value as a ListItem.Markup of the DropdownList
<asp:DropDownList ID="DropDownList_HP" runat="server"
AppendDataBoundItems="True" DataSourceID="SqlDataSource_HP" [code]...
This works fine for new input. The problem is however that the database already has records that were entered through a Windows Application and many of these records has a null value in this field and exceptions are thrown when I tried to open these records
and the system tried to set the SelectedValue of the DropdownList.After some more searching I found this help
http://msdn.microsoft.com/en-us/library/ms366709.aspx
So I changed the ListItem in the DropDownList markup to the following:
<asp:DropDownList ID="DropDownList_RefHospDV4" runat="server"
AppendDataBoundItems="True" DataSourceID="SqlDataSource_RefHosp" [code]...
This now solved the problem of opening a record where the value is null in the database, BUT now the RequiredFieldValidator is not validating anymore to make sure that a databound item is selected for this field and not the initial value "- select -". So basically now it is not checking anymore to see if valid input has been entered for the DropDownList and it accepts "- select -" thus it acts as if the field is not a required field anymore.
In short what is required is that I want to make sure that the user enters a valid selection in the DropDownList, but it must also cater for old records that do not have this field entered yet so that those old records can be opened in the DetailsView .Opening Old records (with null in that field):When these old records are opened in the DetailsView the DropDownlist should show "- select -" when the value in the database is null.
Saving records (old or new records):When saving the record in Insert mode or Update mode the RequiredFieldValidator should show that a valid input is not selected if the DropDownList is still on "- select -".
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May 3, 2010
I am reading a dataset/datatable where I have a a varchar field (25) that represents date and time in following format (this is orginally a db timestamp format): 2010-05-03 08:48:00.000 Prior to binding the datatable to a gridview I need to show date time as: 5/3/2010 8:48:00. How can I easily convert to the needed format?
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Feb 11, 2010
I have createdate field in a table and I want to use that field to group items in a gridview based on the date. For instance, if the datediff is less than 25 hours ago then I want to show the word "Today" or if greater than 24 but less than 48 hours show the word "Yesterday" etc.
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Dec 19, 2010
I have a grid view, and I add new column as a hyper link field, I want the navigationURL for this field to be Pageexample.aspx?ID=other field value like this
[code]...
is that possible ?
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Feb 13, 2011
I'm using related tables. The table being displayed in gridview uses the ID from a different table. How to I have the ID show up as a different column (ex. Name) at run-time?
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Oct 29, 2010
At the moment I have a detailsview which displays read only data and I have a button also. What I want to achieve is a situation where a user can click a button which will convert that specific piece of data inside a detailsview into a pdf document.
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Feb 24, 2011
in converting gridview data to chart control,i am using asp.net 3.5 and vb.net.
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Feb 3, 2011
I need to open a GridView as either an Excel or a PDF file. The excell prodecure is working fine, but I'm getting a: File does not begin with '%PDF-' error when trying to use the PDF file. The code is as follows:
Protected Sub EMButton_Click(ByVal sender
As Object,
ByVal e As System.Web.UI.ImageClickEventArgs)
Handles EMButton.Click
'Save the table to an excel File
Dim StringWriter
As New System.IO.StringWriter()
Dim html As
New System.Web.UI.HtmlTextWriter(StringWriter)
Dim form As HtmlForm =
New HtmlForm()
Page.Response.ContentType = "application/vnd.ms-excel"
Page.Response.Charset = ""
Page.Response.Cache.SetCacheability(HttpCacheability.NoCache)
Page.Response.AddHeader("content-disposition",
"attachment;filename=FullDateReport.xls")
Page.EnableViewState = False
form.Attributes("runat") =
"server"
Controls.Add(form)
form.Controls.Add(GridView1)
form.RenderControl(html)
Response.Write(StringWriter.ToString())
Response.End()
End Sub
[this doesn't work]
Protected Sub PDButton_Click(ByVal sender
As Object,
ByVal e As System.Web.UI.ImageClickEventArgs)
Handles PDButton.Click
'Save the table to PDF Format
Dim StringWriter
As New System.IO.StringWriter()
Dim html As
New System.Web.UI.HtmlTextWriter(StringWriter)
Dim form As HtmlForm =
New HtmlForm()
Page.Response.ContentType = "application/PDF"
Page.Response.Charset = ""
Page.Response.Cache.SetCacheability(HttpCacheability.NoCache)
Page.Response.AddHeader("content-disposition",
"attachment;filename=FullDateReport.pdf")
Page.EnableViewState = False
form.Attributes("runat") =
"server"
Controls.Add(form)
form.Controls.Add(GridView1)
form.RenderControl(html)
Response.Write(StringWriter.ToString())
Response.End()
End Sub
I've tried using:
Page.Response.Clear()
Page.Response.ContentEncoding = Encoding.Unicode
Page.Response.BinaryWrite(Encoding.Unicode.GetPreamble())
Page.Response.AddHeader("Content-Length", html.ToString().Length.ToString())
With the PDF procedure, but still couldn't get it to work. I've also tried using inline instead of attachment in the header.
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Jan 15, 2010
i'm having problems with the export to excel from gridview codeit seems like the excel is automatically convert my strings with only numbers to numericthis gives me problem with leading zero string likes for example "007" and the excel will display 7anyone faced with problem before?
[Code]....
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Jun 29, 2010
I am getting an error when attempting to call a stored proc from my asp.net page.
e.Message = "Conversion failed when converting character string to smalldatetime data type."
The stored proc is being called by:
The asp.net code that is calling the stored proc is:
[Code]....
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Jun 14, 2010
I want to export my GridView, but also, replace any CheckBox controls that are rendered automatically with T/F fields in the process, with LiteralControls, so that everything is text in Excel.
See my below code. I'm not getting any errors, but the code is just not working. The resulting spreadsheet contains the CheckBox fields anyway.
[Code]....
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Jan 21, 2010
currently I have data displayed via repeater and I need to do the following:
Convert each row into a hyperlink Pass through each row (hyperlink) as the query - ?stID The receiving page has the code:
[code]....
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Aug 11, 2010
Here's a nice one for a Pro to bite into I have a web form that generates a set of reports including asp chart controls. Clicking on the black title loads the report section into the ajax enabled panel below it. Beautiful! Two Problems though: Sometimes, when the ajax is loading the next report section, all the other charts on the page flicker and sometimes even show a red x (the image disappears). They can then reappear again when another chart loads! 2nd Problem: If I use the html-to-pdf converter, I tell all the panels to bind to the data source (they are repeaters) on page load and show content. I Then convert the resulting datastream to PDF. All the other images on the page load, but the ones for the charts don't. I have
looked at the generated code, and they are all linked fine to the correct address of the site and the chart generator url. A sample image of the working page is below:
Example Page
Example PDF
Page PDF is generated from
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Apr 12, 2010
I have a dataset.table which has some null values. am trying to trasform this using xslt to display like excel. If the value is null, then that node is ommitted by the xml. i tried deafulting the null values from the database itself and thats not generic. Handling null values is troublesome. I tried couple of methods to default null values by looping and thats not optimal solution. I used LINQ to handle null values but couldnt comeup with a neat solution. what am looking for is a generic optimal solution to handle these values.
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