DropDown States should Reflect on DropDown Country Selected

RowDataBound Im binding.. protected void GrdView_RowDataBound(object sender, GridViewRowEventArgs e)
    {
        DataRowView drv = e.Row.DataItem as DataRowView;
        if (e.Row.RowType == DataControlRowType.DataRow)
        {
            if ((e.Row.RowState & DataControlRowState.Edit) > 0)
            {
                DropDownList ddlCountry = (DropDownList)e.Row.FindControl("ddlCountry");
                DropDownList ddlState = (DropDownList)e.Row.FindControl("ddlState");
                DataSet dsGrdValues = BindGridView();
                DataSet dsCountrys = BindCountrys();
                string SelCountry = drv[4].ToString();
                string SelState = drv[5].ToString();
                ddlCountry.DataSource = dsCountrys;
                ddlCountry.DataTextField = "Name";
                ddlCountry.DataValueField = "Id";
                ddlCountry.DataBind();
                for (int i = 0; i < ddlCountry.Items.Count; i++)
                {
                    if (ddlCountry.Items[i].Text.Trim().CompareTo(SelCountry.Trim())==0)
                    {
                        ddlCountry.SelectedIndex = i;
                        break;
                    }
                }
                DataSet dsStates = BindStates(ddlCountry.SelectedValue);
                ddlState.DataSource = dsStates;
                ddlState.DataTextField = "Name";
                ddlState.DataValueField = "Id";
                ddlState.DataBind();
                for (int i = 0; i < ddlState.Items.Count; i++)
                {
                    if (ddlState.Items[i].Text.Trim().CompareTo(SelState.Trim()) == 0)
                    {
                        ddlState.SelectedIndex = i;
                        break;
                    }
                }
            }
        }
    }

protected void ddlCountry_SelectedIndexChanged(object sender, EventArgs e)
    {
        try
        {
            DropDownList Country = (DropDownList)sender;
            //DropDownList State = Country.Parent as DropDownList;
            //State = new DropDownList();
            GridViewRow row = (GridViewRow)(Country.Parent.Parent);
            Country.DataTextField = "Name";
            string CCode = Country.SelectedItem.Value;
            DataSet dsGetStates = BindStates(CCode);
            ddlState1.DataSource = dsGetStates;
            ddlState1.DataTextField = "Name";
            if (dsGetStates.Tables[0].Rows.Count > 0)
            {
                //State.DataSource = dsGetStates;
                //State.DataTextField = "Name";
                //State.DataValueField = "Id";
                //State.DataBind();
            }
            else
            {
                //State.DataSource = null;
                //State.Items.Clear();
            }
        }
        catch (Exception ex)
        {
            Response.Write(ex.Message);
        }
    }

<pre lang="xml"><asp:TemplateField HeaderText="Country">
  <ItemTemplate>
  <asp:Label ID="lblCountry" runat="server" Text='<%#Eval("Country") %>'></asp:Label>
  </ItemTemplate>
  <EditItemTemplate>
  <asp:DropDownList ID="ddlCountry" onselectedindexchanged="ddlCountry_SelectedIndexChanged" runat="server" AutoPostBack="True"></asp:DropDownList>
  </EditItemTemplate>
  <FooterTemplate>
  <asp:DropDownList ID="ddlNewCountry" runat="server"></asp:DropDownList>
  </FooterTemplate>
  </asp:TemplateField>

  <asp:TemplateField HeaderText="State">
  <ItemTemplate>
  <asp:Label ID="lblState" runat="server" Text='<%#Eval("State") %>'></asp:Label>
  </ItemTemplate>
  <EditItemTemplate>
  <asp:DropDownList ID="ddlState" runat="server"></asp:DropDownList>
  </EditItemTemplate>
  <FooterTemplate>
  <asp:DropDownList ID="ddlNewState" runat="server"></asp:DropDownList>
  </FooterTemplate>
  </asp:TemplateField>