为combobox绑定一列数据后,并没有显示数据,而是显示System.Data.DataRowView,怎么弄?
private void comboBox1_SelectedIndexChanged(object sender, EventArgs e)
{
string s=this .comboBox1 .Text .Trim ();
if (s == "资产编号")
{
string con = "Server=asus;database=测量仪器管理系统;uid=sa;pwd=abc@123";
SqlConnection conn = new SqlConnection(con);
conn.Open();
string sql = "select distinct 资产编号 from 测量仪器 ";
SqlDataAdapter sda = new SqlDataAdapter(sql, conn);
DataTable dt = new DataTable();
sda.Fill(dt);
conn.Close();
comboBox2.DataSource = dt;
}
以上是我写的代码,求大神指点