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ASP.net VB.net CheckBox template field is blank

Posted on 2016-09-21
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Last Modified: 2016-09-21
Hi

I add a Checkbox template field to a GridView using the following code. The cells are blank and don't show any checkboxes.
What have I done wrong?

              Dim oCheckBoxField As New CheckBoxField
                        oCheckBoxField.HeaderText = "Check"
                        oGridView.Columns.Add(oCheckBoxField)

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Question by:murbro
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Expert Comment

by:CraigYellick
ID: 41809187
Did you set AutoGeneratedColumns=false?  Where is the code you posted located, which event?
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Author Comment

by:murbro
ID: 41809200
The code is in the Page_Load event. I did not set AutoGeneratedColumns=false
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CraigYellick earned 500 total points
ID: 41809263
Is this checkbox intended to be used for allowing the user to select multiple items in the grid? If so this is quite complicated and there are several detailed walk-throughs available. Here's one that includes selected rows highlighting:

http://www.codeproject.com/Articles/14437/Extending-GridView-by-allowing-Multiple-Selections

Here's a very simple implementation, in two parts:

http://www.niteshluharuka.com/how-to-add-a-checkbox-column-to-gridview-in-aspnet
http://www.niteshluharuka.com/how-to-get-multiple-selected-rows-from-gridview-in-aspnet
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Author Closing Comment

by:murbro
ID: 41809270
Thanks very much
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