Update Gridview

you need to bind dropdownon rowdatabound and set the selected value

protected void gvUserInfo_RowDataBound(object sender, GridViewRowEventArgs e)

{

if (e.Row.RowType == DataControlRowType.DataRow)

{

con.Open();

var ddl = (DropDownList)e.Row.FindControl("ddlCity");

int CountryId = Convert.ToInt32(e.Row.Cells[0].Text);

SqlCommand cmd = new SqlCommand("select * from State where CountryID=" + CountryId, con);

SqlDataAdapter da = new SqlDataAdapter(cmd);

DataSet ds = new DataSet();

da.Fill(ds);

con.Close();

ddl.DataSource = ds;

ddl.DataTextField = "StateName";

ddl.DataValueField = "StateID";

ddl.DataBind();

ddl.Items.Insert(0, newListItem("--Select--", "0"));

}

Dropdown selected values pending (or) Completed

Could you please explain in detail your requirement