Data Controls :: How To Find Checked ListBox Selected Values In Windows Forms Application

May 16, 2013

I Have bind the

CheckedListBox1.ValueMember="ID";  [intelligence Not Shown in VS But Its working fine for me].

now i want To Find out The Selected Item value in checkedListBox.

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For i As Integer = 0 To gvSelectScreen.Rows.Count - 1
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I have a ASP.Net page that has a gridview control. This gridView control has a checkbox controls. I would like to assign a boolean value from a database field to the Checked property- Checked='<%# Bind("RESULTS") %>'.

When page loads,I get error - Specified cast is invalid!

The code is as follows...

<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" DataSourceID="dsResults"
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<asp:TemplateField HeaderText="COMPLIANT" SortExpression="RESULTS">
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Note: If a constant value is passed at design time it works fine. But i want to assign the value at runtime using Bind.

Environment details: VS 2008, ASP.NET 2.0 and .Net Framework 3.0 & C# language.

I tried returning values like 0s and 1s, Ys and Ns and True and False from a database field. But i still get the above mentioned error.

I tried retreving the value in OnRowDataBound event using Eval, since Bind is not available in code behind. But it would make the field readonly and i cannot edit and update the Results field.

Even though there is a value returned by the query why does the Checkbox does not assign the value using <%# Bind("Results") %> to Checked property instead throws error - Specified cast is invalid.

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In my application I have 7 listboxes.Each list box has morethan 100 listitems.

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