为什么取不到DropDownList所选的值,附代码,在线等待,谢谢!
private void Page_Load(object sender, System.EventArgs e)
{
// 在此处放置用户代码以初始化页面
if(!Page.IsPostBack)
{
OleDbConnection con=com.conn();
OleDbDataAdapter wradp=new OleDbDataAdapter( "select musictype from musictype", con);
con.Open();
DataSet wrset =new DataSet();
wradp.Fill(wrset);
this.DDLtype.DataSource = wrset;
this.DDLtype.DataBind();
con.Close();
}
}
private void btnsearch_Click(object sender, System.EventArgs e)
{
this.Label1.Text=this.DDLtype.SelectedItem.Value;
}
前台代码:
><asp:dropdownlist id="DDLtype" runat="server" DataTextField="musictype" DataValueField="musictype"></asp:dropdownlist>
如说DropDownList有A,B,C项,不论你先B,C项,按下按钮后,this.Label1.Text只会得到A的值,
谢谢!