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for (int i = 0; i < dt.Rows.Count; i++)
    foreach(CheckBox chk in Chklst.Items)
        if (chk.Text.IndexOf(dt.Rows[0][0].ToString()) > 0)
            chk.Checked = true;
            chk.Checked = false;
i am getting problem here

i have checkboxlist in this 4 list items.
i am checkin with db if value is already in db it get checked else unchecked..

here i took temp cheeck box chk. how to compare temp checkBox with cheklistbox

the error what i am gettin here is
Unable to cast object of type 'System.Web.UI.WebControls.ListItem' to type 'System.Web.UI.WebControls.CheckBox'.

how to do ????plz help me
Updated 20-Oct-11 22:00pm

I think here ur checking for the indexof the checklistitem(instead of verifying the value which is stored in a table)

just compare the value of the checklist and the value in the datatable
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You generate a set of integer indexes in the variable 'i in the outer for loop, but you never use the variable 'i in the loop.

"if (chk.Text.IndexOf(dt.Rows[0][0].ToString()) > 0)"

IndexOf returns an integer ... then you convert that integer to a string, and then you compare it to an integer ... that should give you a compile error right there.
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