string cmdText = "SELECT ID, Name FROM 表1";
SqlConnection conn = new SqlConnection(连接
字符串);
conn.Open();
SqlDataAdapter da = new SqlDataAdapter(cmdText, conn);
DataSet ds = new DataSet();
da.Fill(ds, "IdName");
//绑定
comboBox1.DisplayMember = "ID"; //显示的值
comboBox1.ValueMember = "Name"; //实际的值
comboBox1.DataSource = ds.Tables["IdName"];
在comboBox1_SelectedIndexChanged事件中用
string a = comboBox1.SelectedValue.ToString();
获取姓名。
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