데이터grid 드롭다운 목록dropdownlist

데이터 grid의 코드:

<asp:datagrid id="dgList" runat="server" ItemStyle-HorizontalAlign="Center" HeaderStyle-HorizontalAlign="Center"

                                HorizontalAlign="Center" PageSize="5" AutoGenerateColumns="False" GridLines="Horizontal" CellPadding="1" BackColor="White"

                                BorderWidth="1px" BorderStyle="None" BorderColor="#E7E7FF" Width=100%  OnItemDataBound="DataGrid1_ItemDataBound">

                                <FooterStyle ForeColor="#4A3C8C" BackColor="#B5C7DE"></FooterStyle>

                                <SelectedItemStyle Font-Bold="True" ForeColor="#F7F7F7" BackColor="#738A9C"></SelectedItemStyle>

                                <AlternatingItemStyle BackColor="#F7F7F7"></AlternatingItemStyle>

                                <ItemStyle HorizontalAlign="Center" ForeColor="#4A3C8C" BackColor="#E7E7FF"></ItemStyle>

                                <HeaderStyle Font-Bold="True" HorizontalAlign="Center" ForeColor="#F7F7F7" BackColor="#4A3C8C"></HeaderStyle>

                                <Columns>

     <asp:templatecolumn HeaderText="  ">

        <itemtemplate>

            <asp:dropdownlist  id="ItemDropDown" runat="server" AutoPostBack="true" OnSelectedIndexChanged="DropDown_SelectedIndexChanged"/>

        </itemtemplate>

    </asp:TemplateColumn>

    <asp:TemplateColumn>

        <ItemTemplate>

            <asp:Button id="SaveButton" Visible="false" runat="server"  CommandName="save" Text="  "></asp:Button>

        </ItemTemplate>

    </asp:templatecolumn>

    <PagerStyle ForeColor="#4A3C8C" BackColor="#E7E7FF" Mode="NumericPages"></PagerStyle>

</asp:datagrid>

private void InitializeComponent()

        {

            this.dgList.ItemCommand += new System.Web.UI.WebControls.DataGridCommandEventHandler(this.dgList_ItemCommand);

        }



  protected void DataGrid1_ItemDataBound(object sender, DataGridItemEventArgs e)

        {

            if (e.Item.ItemType == ListItemType.AlternatingItem ||

               e.Item.ItemType == ListItemType.Item)

            {

                string[] options = { "", "   ", "     ", "    ", "     " };



                DropDownList list = (DropDownList)e.Item.FindControl("ItemDropDown");

                list.DataSource = options;

                list.DataBind();



                TableCell cell = list.Parent as TableCell;

                DataGridItem item = cell.Parent as DataGridItem;



                int index = item.ItemIndex;

                list.SelectedValue = item.Cells[1].Text;

            }

        }

        

 protected void DropDown_SelectedIndexChanged(object sender, EventArgs e)

        {

            DropDownList list = (DropDownList)sender;



            TableCell cell = list.Parent as TableCell;

            DataGridItem item = cell.Parent as DataGridItem;



            int index = item.ItemIndex;

            string content = item.Cells[12].Text;

           // DropDownList down = (DropDownList)item.FindControl("ItemDropDown");

            string checkState = list.SelectedValue.Trim();



            object obj = item.Cells[13].FindControl("queryButton");

            if (obj != null)

            {

                Button lb = (Button)obj;

                lb.Visible = true;//            

            }

        }

        

 private void dgList_ItemCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)

        {

            string spid = e.Item.Cells[2].Text.Trim();

            string crt_etime = e.Item.Cells[8].Text.Trim();

            string state = e.Item.Cells[12].Text.Trim();

          

            try

            {

                if (e.CommandName == "save") ;

                …………………………//  

            }

            catch (Exception eSys)

            {

                WebUtils.ShowMessage(this.Page, "      ！" + eSys.Message);

            }

        }