ddlPoojaType' has a SelectedValue which is invalid because it does not exist in the list of items.

Question

i inserted ddlpooja type, date, name, email, mobile, star

and bind it in to grid view. and edit source code is given below.

but it show the error message : " 'ddlPoojaType' has a SelectedValue which is invalid because it does 

not exist in the list of items.

Parameter name: value"

how to solve it

protected void  ibnEdit_Click(object sender, ImageClickEventArgs e)

{

           lblMessage.Text = "";

           mlvPoojBooking.ActiveViewIndex = 0;

           strPage = "0";

           int IntRowIndex = getSelectedRow();

            if (IntRowIndex > -1)

            {

                ddlPoojaType.Text = ((Label)grdPoojaBookings.Rows[IntRowIndex].FindControl("lblgrdPoojaType")).Text.ToString();

                txtDate.Text = ((Label)grdPoojaBookings.Rows[IntRowIndex].FindControl("lblgrdDate")).Text.ToString();

                txtName.Text = ((Label)grdPoojaBookings.Rows[IntRowIndex].FindControl("lblgrdName")).Text.ToString();

                txtEmail.Text = ((Label)grdPoojaBookings.Rows[IntRowIndex].FindControl("lblgrdEmail")).Text.ToString();

                txtMobile.Text = ((Label)grdPoojaBookings.Rows[IntRowIndex].FindControl("lblgrdMobile")).Text.ToString();

                txtStar.Text = ((Label)grdPoojaBookings.Rows[IntRowIndex].FindControl("lblgrdStar")).Text.ToString();

                ibnSubmit.CommandArgument = ((Label)grdPoojaBookings.Rows[IntRowIndex].FindControl("lblgrdId")).Text.ToString();

                intSave = 1;

            }

            else

            {

                Clearall();

                intSave = 0;

            }

}