DropDownList中的数据已经填充好了,数据如下1 苹果
2 梨
3 香蕉
当单击DropDownList(比如说单击 “1 苹果”一栏)时,要求显示的是“1”而不是显示“1 苹果”我曾经试过改变它的SelectedItem.Text="1"; 可是这样填充的数据也会改变,请问大家有什么好的方法吗?谢谢
2 梨
3 香蕉
当单击DropDownList(比如说单击 “1 苹果”一栏)时,要求显示的是“1”而不是显示“1 苹果”我曾经试过改变它的SelectedItem.Text="1"; 可是这样填充的数据也会改变,请问大家有什么好的方法吗?谢谢
VALUE (1。2。3),
Dim i As Integer
viewstate("sel") = DropDownList1.SelectedValue
DropDownList1.Items.Clear()
Dim ft(2) As String
Dim fv(2) As String
ft(0) = "app"
ft(1) = "ban"
ft(2) = "org"
fv(0) = "1"
fv(1) = "2"
fv(2) = "3"
DropDownList1.Items.Add("")
For i = 0 To ft.Length - 1
If fv(i).Equals(CStr(viewstate("sel"))) Then
DropDownList1.Items.Add(fv(i))
Else
DropDownList1.Items.Add(ft(i) & fv(i))
End If
DropDownList1.Items(DropDownList1.Items.Count - 1).Value = fv(i)
Next
End Sub
If Not IsPostBack Then
Dim ft(2) As String
Dim fv(2) As String
ft(0) = "app"
ft(1) = "ban"
ft(2) = "org"
fv(0) = "1"
fv(1) = "2"
fv(2) = "3"
DropDownList1.Items.Add("")
For i = 0 To ft.Length - 1
DropDownList1.Items.Add(ft(i) & fv(i))
DropDownList1.Items(DropDownList1.Items.Count - 1).Value = fv(i)
Next
End If
{
System.Data.SqlClient.SqlConnection cn=new System.Data.SqlClient.SqlConnection(System.Configuration.ConfigurationSettings.AppSettings["ConnectionString"]);
String Sql="SELECT NAME,ID FROM TYPE WHERE (DEL_FLAG = 0) AND (ID > 1)";
System.Data.SqlClient.SqlDataAdapter Da=new SqlDataAdapter(Sql,cn);
System.Data.DataSet ds= new DataSet();
cn.Open();
Da.Fill(ds,"TYPE");
System.Data.DataView vw=new DataView(ds.Tables["TYPE"]);
cn.Close(); this.DropDownListTYPE.DataSource=ds.Tables["TYPE"].DefaultView;
this.DropDownListTYPE.DataValueField=ds.Tables["TYPE"].Columns[1].ColumnName;
this.DropDownListTYPE.DataTextField=ds.Tables["TYPE"].Columns[0].ColumnName.Substring(1,1);
this.DropDownListTYPE.DataBind();
}