DropDownList 取值+赋值

取值

<asp:DropDownList ID="txtDataType" runat="server" EnableViewState="true" />

public string newdatatype;
protected void Page_Load(object sender, EventArgs e)
    {           
          newdatatype = txtDataType.SelectedValue;
　　　　//动态绑定DropDownList 
     }

 

赋值

ListItem itmSelected = txtDataType.Items.FindByValue(“要找的值”);
if(itmSelected != null)
   itmSelected.Selected = true;