如何获取gridView 中的dorpDownList 名称？？

Question

如何获取gridView 中的dorpDownList 名称（ID）？？
dropDownList 是gridView中的一模版列！！
我想在gridview赋完datasource后，
能让dropdownlist 实现
    dropdownlist.DataSource=数据源
    dropdownlist.DataValueField=数据源
    dropdownlist.DataTextField=数据源
高手指点！！！

Answer 1

protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
    {
        dorpDownList  名称= (dorpDownList)GridView1.FindControl("名称") ;
    }

Answer 2

foreach(Control c in GridView1.Rows[rowindex].Cells[colindex].Controls)
{
    if (c is DropDownList)
    {
        DropDownList ddl = c as DropDownList;
        //ddl.ID
    }
}

Answer 3

DropDownList dr= (DropDownList )GridView1.Rows[i].FindControl("DropDownList的名字");

Answer 4

        protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
        {
            if (e.Row.RowIndex >= 0)
            {
                //填充編號
                Label lblNo = (Label)e.Row.FindControl("lblNo");
                if (i < 10)
                {
                    lblNo.Text = "0" + i.ToString() + ".";
                }
                else
                {
                    lblNo.Text = i.ToString() + ".";
                }
                i++;                if (e.Row.RowIndex >= 1)
                {
                    e.Row.Cells[2].Text = GridView1.Rows[e.Row.RowIndex - 1].Cells[2].Text;                }                Label Label1 = (Label)e.Row.FindControl("Label1"); //繳款項目不能為空.如果為空則是 新增的.顯示 新增控件
                if (String.IsNullOrEmpty(Label1.Text.Trim()))
                {
//這裏是對樓主問題的答復。。
                    DropDownList ddl = (DropDownList)e.Row.FindControl("ddlProject"); //交款項目顯示
                    DataSet ds = getddlProject();
                    ddl.DataSource = ds;
                    ddl.DataTextField = "codename";
                    ddl.DataValueField = "codeno";
                    ddl.DataBind();                    ddl.Visible = true;
                    Label1.Visible = false;                    TextBox txtCount = (TextBox)e.Row.FindControl("txtCount"); //應繳費用顯示
                    txtCount.Visible = true;
                    Label Label2 = (Label)e.Row.FindControl("Label2");
                    Label2.Visible = false;                    Button btn_Save = (Button)e.Row.FindControl("btn_Save"); //顯示保存按鈕
                    btn_Save.Visible = true;                    Label lblExplain = (Label)e.Row.FindControl("lblExplain"); //說明
                    lblExplain.Visible = false;
                    TextBox txtExplain = (TextBox)e.Row.FindControl("txtExplain");
                    txtExplain.Visible = true; 
                }            }
            if (e.Row.RowType == DataControlRowType.DataRow)
            {
                e.Row.Attributes["onmouseover"] = "lineHighLight(this)";
                if ((e.Row.RowIndex % 2) == 1)
                {
                    e.Row.Attributes["onmouseout"] = "lineHighLightBack1(this)";
                }
                else
                {
                    e.Row.Attributes["onmouseout"] = "lineHighLightBack(this)";
                }
            }
        }

Answer 5

C#代码:
protected void Page_Load(object sender, EventArgs e)
    {
        //DateTime time_now = TimeNow.AddDays(-TimeNow.Day); 
        //Response.Write(time_now.ToString());        GridView1.DataSource = getDataTable();
        GridView1.DataBind();
    }    public DataTable getDataTable()
    {
        DataTable dt = new DataTable();
        DataColumn dc = new DataColumn("ID", typeof(int));
        dt.Columns.Add(dc);
        DataColumn dc2 = new DataColumn("Name", typeof(string));
        dt.Columns.Add(dc2);        DataRow dr = dt.NewRow();
        dr["ID"] = 1;
        dr["Name"] = "aaaaa";
        dt.Rows.Add(dr);        DataRow dr2 = dt.NewRow();
        dr2["ID"] = 2;
        dr2["Name"] = "bbb";
        dt.Rows.Add(dr2);        return dt;
    }
    protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
    {
        if (e.Row.RowType == DataControlRowType.DataRow)
        {
            //假设你想得到不同的ddl里的值，这个就需要你在得到数据的方法里传入参数。
            DropDownList ddl = ((DropDownList)e.Row.Cells[2].FindControl("DropDownList1"));
            ddl.DataSource = getDataTable();
            ddl.DataTextField = "Name";
            ddl.DataValueField = "ID";
            ddl.DataBind();
        }
    }
页面文件内容：
 <asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" OnRowDataBound="GridView1_RowDataBound">
            <Columns>
                <asp:BoundField DataField="ID" HeaderText="ID" />
                <asp:BoundField DataField="Name" HeaderText="Name" />
                <asp:TemplateField HeaderText="操作">
                    <ItemTemplate>
                        <asp:DropDownList ID="DropDownList1" runat="server">
                        </asp:DropDownList>
                    </ItemTemplate>
                </asp:TemplateField>
            </Columns>
        </asp:GridView>