<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" DataKeyNames="CateID"
AllowPaging="True" EmptyDataText="没有数据记录!!"
OnPageIndexChanging="GridView1_PageIndexChanging" OnRowDataBound="GridView1_RowDataBound" OnSelectedIndexChanged="GridView1_SelectedIndexChanged"
protected void GridView1_SelectedIndexChanged(object sender, EventArgs e)
{
DB db = new DB();
string sqlstrB = "select * from View_BomCateTec_List where CategoryCode='" + this.GridView1.SelectedRow.Cells[1].Text.ToString() + "'";
//实例化数据集DataTable用于存储查询结果
DataTable dtB = db.reDt(sqlstrB);
//绑定DropDownListt控件
GridView2.DataSource = dtB;//设置数据源,用于填充控件中的项的值列表
GridView2.DataBind();//将控件及其所有子控件绑定到指定的数据源
}