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Editorial Team
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Asked: 2026-06-11T05:20:35+00:00

I’m trying to bind a checkbox to a details view as boolean 1,0. The

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I’m trying to bind a checkbox to a details view as boolean 1,0. The database column is set to bit and not nulls. Below is my code,

<EditItemTemplate>
    <asp:CheckBox ID="CheckBox1" runat="server" Checked='<%#  Convert.ToBoolean(Eval("level"))%>' />
</EditItemTemplate>
<ItemTemplate>
    <asp:CheckBox Enabled="false" ID="CheckBox1" runat="server"  Checked='<%#  Convert.ToBoolean(Eval("level"))%>' />
</ItemTemplate>
<InsertItemTemplate>
    <asp:CheckBox ID="CheckBox1" runat="server" Checked='<%#  Convert.ToBoolean(Eval("level"))%>' />
</InsertItemTemplate>

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1 Answer

  1. Editorial Team

    When you use edit or insert template you have to use Bind. Eval is only one way so your object is trying to insert a null value.

    <EditItemTemplate>
    <asp:CheckBox ID="CheckBox1" runat="server" Checked='<%# Bind("level") %>' />
</EditItemTemplate>
<ItemTemplate>
    <asp:CheckBox Enabled="false" ID="CheckBox1" runat="server" Checked='<%#  Convert.ToBoolean(Eval("level"))%>' />
</ItemTemplate>
<InsertItemTemplate>
    <asp:CheckBox ID="CheckBox1" runat="server" Checked='<%# Bind("level") %>' />
</InsertItemTemplate>
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