根据GridView的DataSource显示数据

[Dream_Hunter_]

GridView的数据源里有一个字段为su_ID
GridView里对应该字段显示的是DropDownList
我已将DropDownList和一个表绑定，
请问如何，使DropDownList根据su_ID显示的相应的项？

[wxhysoftsodc]

在datarowbinding事件里面给dropdownlist赋值。
deropdownlist.selectvalue = su_ID

[lixinramaxel41658133]

你要是用那个sqlDataSource控件的话,好像不太好办..
要是用DataSet的话,在RowDataBound事件里,根据su_ID查找相应的数据,添加到下拉框中去..

[lixinramaxel41658133]

protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
    {
    if(e.Row.RowType==DataControlRowType.DataRow)
        {
            su_ID=Int32.Parse(e.Row.Cells[0].Text);
            express="su_ID="+su_ID;
            DropDownList ddl=(DropDownList)e.Row.FindControl("DropDownList1");
            DataRow[] rows=ds.Tables[0].Select(express);

            foreach(DataRow row in rows)
            {
                DataRow newRow=myTable.NewRow();
                newRow["ProductID"]=row["ProductID"];
                newRow["ProductName"]=row["ProductName"];
                myTable.Rows.Add(newRow);
            }
            ddl.DataSource=myTable;
            ddl.DataTextField="ProductName";
            ddl.DataValueField="ProductID";
            ddl.DataBind();
        }
}

[mngzilin]

       for (int i = 0; i < GV.Rows.Count; i++)//GV是你的GridView
        {
            DropDownList Dp=(DropDownList)GV.Rows[i].FindControl("你的DropDownList的ID");
            Dp.SelectedValue=DataTable1.Rows[i]["su_ID"].ToString();//"想要显示的su_ID",这里以DataTable数据源为例;
        }

[蓝梦_Hi]

在RowDataBound事件里根据这一行的su_ID 显示DropDownList里的内容
DropDownList.SelectedValue = su_ID

[wangan2008]

up

[Adechen]

DropDownList.SelectedValue = su_ID