if(!Page.IsPostBack)
{
string sql = "select ID,Name from type";
DataTable dt = mydb.dataTable(sql);
DropdownlistID.DataSource = dt.DefaultView;
DropdownlistID.DataValueField = "ID";
DropdownlistID.DataTextField = "Name";
DropdownlistID.DataBind();
DropdownlistID.Items.Insert(0, new ListItem("全部", "0"));
DropdownlistID.SelectedIndex = 0;
}
给DropDownList赋值
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转载自blog.csdn.net/wuxindelove/article/details/5629651
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