Forms Data Controls :: Hide LinkButton In TemplateField - On Selecting Gridview Row?

Mar 15, 2010

in my girdview i have a template field wihtin linkbutton "Edit". i set the property visible=false

[Code]....

in code behind i set it to visible=true when selecting a row.On selecting an other row - i want to hide the previous linkutton and show the linkbutton in the new selected row

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Forms Data Controls :: Call JavaScript From A LinkButton In A TemplateField In A GridView?

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I've turned up lots of advise from similar things, but not this exactly. I have a gridview with a templatefield that I want to call javascript from the OnClick event (or OnClientClick). When I try to compile, it complains saying my server tag isn't well formed. I'm sure that's a red herring...

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Jan 21, 2010

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[Code]....

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I am trying to show/hide TemplateField of gridview but not getting it... here is ma sample aspx code

<asp:TemplateField HeaderText="ColumnA">
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protected void gv_RowCreated(object sender, GridViewRowEventArgs e)
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idnamaimage

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Forms Data Controls :: Creating A Click Event Handler On A Linkbutton Inside A Templatefield

Feb 16, 2011

I would like to call a method and pass a value to it on a link button autogenerated from the database in a templatefield inside a datagrid. I don't know much about delegates

protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
{
..
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How To Hide A TemplateField Column In A GridView

Feb 10, 2011

How can I hide a column in a GridView ?

I tried using the markup:

<asp:TemplateField ShowHeader="False" Visible='<%# MyBoolProperty %>' >
<ItemTemplate>
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CommandArgument='<%# bind("ID") %>' OnClientClick="$('#b
Text='<%$ Resources:Resource,Attachments %>'></asp:LinkB
</ItemTemplate>

but it didn't work and gave me the following error:

Databinding expressions are only supported on objects that have a DataBinding event.
System.Web.UI.WebControls.TemplateField does not have a DataBinding event.

I tried also to hide it programmatically, but seems I can't reach to the column by name (there's no name for TemplateField column).

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AJAX :: GridView Not Refreshing In UpdatePanel After Selecting LinkButton?

Oct 11, 2010

This GridView contains a TemplateField with a LinkButton that displays a text value. When the link button is clicked, the code behind needs to capture the text value of the button, and then refresh the GridView with an asynchronous postback within the UpdatePanel and display the updated output.

The post-back event is occurring, and I'm able to capture the event in Visual Studio 2010 debugger. But, the screen contents do not change after this event occurs. No exception gets thrown, at least from what I can see in debugger.

Portions of the sanitized code appear below. The GridView actually appears on a page that contains 2 dropdown lists and 2 other GridViews. There is just one UpdatePanel on this page.

[Code]....

This is in the Code-Behind.

[Code]....

I can put a break point in the above method, and it is captured when the lnkHostName button is clicked. Stepping through the lnkHostName_Click() method, the ReloadPage() method successfully runs, then executes this method:

[Code]....

This runs successfully, and the DataSet which gets returned contains 1 row of data rather than several rows. This is what I expect to happen. Once the filter is selected in my test case just 1 row should get returned. The problem is that I don't see that output refreshed on the screen. The grdProcesses gridview continues to display the original dataset of several rows, rather than just one row of data. To additionally test this, I tried setting the visibility of grdProcesses to false within this method when the HostName had a value. Again, this ran without an error, but the GridView was still visible. And I also tested by updating the contents of a label with the HostName value. The new value was never displayed in the label. I also tried putting the lnkHostName button into the triggers, ala:

[Code]....

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Here's the code and the error message I'm getting.

ASPX:

[Code]....

And here's the Code Behind:

[Code]....

No design time errors reported but here's the run time error:

Object reference not set to an instance of an object.

On the following line:

Line 28: if (row.RowType == DataControlRowType.DataRow)

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Mar 11, 2011

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[Code]....

2nd. I have SqlDataSource for my GridView. this is the code :

[Code]....

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i have a website with a radiobutton inside a gridview, i set the groupname in the gridview but when i run the table, the radiobutton did not became exclusive or i can checked = true on all radiobutton. this is my code:

[Code]....

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Forms Data Controls :: Hiding A Control In A Gridview Templatefield?

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I was wondering how to hide a control(lblPrice) in a gridview(Gridview1)'s templatefield, given certain conditions? Like:

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I am trying to set the label created in my templatefield during rowbound but I got an error of object reference not set to an instance.

Below is the code for my page.

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Forms Data Controls :: How To Set Font Color In Gridview C# (templatefield)

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how to set colors in ESM field if ESM = Elective (Green), Emergency (Red) and Urgent (Purple)

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Forms Data Controls :: Get Datakey From Templatefield (dropdownlist) In Gridview

May 21, 2010

I have a gridview with a DropDownList (contained in a TemplateField). I have set the OnSelectedIndexChanged event to a function called "ddlAgent_SelectedIndexChanged" This allows me to aquire when a user has changed the value for the dropdownlist. What I need to do is persist this newly selected value to the database for the gridview record. The problem I'm having is how to I get the datakeyNames value for that row? See code below!

TemplateField source
<asp:TemplateField HeaderText="Agent">
<ItemTemplate>
<asp:DropDownList ID="ddlAgent" runat="server" AutoPostBack="False" OnSelectedIndexChanged="ddlAgent_SelectedIndexChanged">
</asp:DropDownList>
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<ItemStyle HorizontalAlign="Center"></ItemStyle>
</asp:TemplateField>
ddlAgent_SelectedIndexChanged

Protected Sub ddlAgent_SelectedIndexChanged(ByVal sender As Object, ByVal e As System.EventArgs)
Dim gvItems As DropDownList = CType(sender, DropDownList)
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