datatable绑定comboBox显示数据[C#]

实现方法：

    1、生成datatable，并为combox绑定数据源：

           comboBox1.DataSource = dt1;
           comboBox1.DisplayMember = "用户编码";
           comboBox1.ValueMember = "ID";
           this.comboBox1.SelectedIndex = -1;

   2、在combox的SelectedIndexChanged事件中添加如下方法：

       private void comboBox1_SelectedIndexChanged(object sender,EventArgs e)
       {
           int iCurrentIndex = this.comboBox1.SelectedIndex;
           if (iCurrentIndex < 0) return;

           DataRow dr = dt1.Rows[iCurrentIndex];
           iID = Int32.Parse(dr["ID"].ToString());

       }

另：如果textBox也想绑定该数据源，实现连动（如输入编码显示对应名称）

   3、在textBox的TextChanged事件中添加如下方法：

       private void textBox1_TextChanged(object sender, EventArgs e)
       {
           string strUserNo = this.textBox1.Text.Trim();
           for (int i = 0; i < dt1.Rows.Count; i++)
           {
               if (dt1.Rows[i]["用户编码"].ToString() == strUserNo)
               {
                   this.comboBox1.SelectedIndex = i;
                   break;
               }
               else
               {
                   this.comboBox1.SelectedIndex = -1;
               }
           }
       }