GridView checkbox in ASp.net

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C

ASP.NET

Hello,
i have a checkbox in my gried view .
based on the value from my list i have to chekc or uncheck the checkbox.
as i have value like 1 or o if 1 the check or else uncheck. but its not working .
Please help.

List<user> lstusers = new List<user>();
            objDetails = new Details();
            lstusers = objDetails.getAllUsers();
            grdUserList.DataSource = lstusers;
            grdUserList.DataBind();
            foreach (GridViewRow row in grdUserList.Rows)
            {
                if (row.RowType == DataControlRowType.DataRow)
                {
                    CheckBox chk = new CheckBox();
                    chk = (CheckBox)row.FindControl("chkIsEnbled");
                    for (int i = 0; i < lstusers.Count; i++)
                    {
                        if (lstusers[i].isEnable == "1")
                        //if (row.Cells[5].Text == "1")
                        {
                            chk.Checked = true;
                        }
                        else
                        {
                            chk.Checked = false;
                        }
                    }
                }
            }</user></user>