OnCheckedChanged event not firing

c# asp.net ajax checkbox oncheckedchanged

Try turning AutoPostBack on for the checkbox control.

<asp:CheckBox ID="CheckBoxProcess" runat="server" Enabled="true" OnCheckedChanged = "CheckBoxProcess_OnCheckedChanged" AutoPostBack="true" />

This maybe the reason your method isn't being called.

c# asp.net ajax checkbox oncheckedchanged

Please try to check the value with the DB:

Checked='<%# Convert.ToBoolean(Eval("Processed")) %>'

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