cboProType--Items集合数据为:
0-其他
1-旅行社协议
2-公司协议
3-VIPCARD
4-INTERNET
//cboProName绑定 private void BindProName() { conn.Open(); SqlDataAdapter da = new SqlDataAdapter("select ContractID,ContractName from Contract", conn); DataSet ds = new DataSet(); da.Fill(ds, "ProName"); cboProName.DisplayMember = "ContractName";//控件显示的值 cboProName.ValueMember = "ContractID";//控件实际存储的值 协议编号 cboProName.DataSource = ds.Tables["ProName"]; conn.Close(); }
private void cboProName_SelectedIndexChanged(object sender, EventArgs e) {//对cboProName实际存储值截取第一个字符 switch (cboProName.SelectedValue.ToString().Substring(0,1)) { case "0"://当第一个字符为0时,cboProType的文本为0-其他 cboProType.Text = (string)cboProType.Items[0]; break; case "1": cboProType.Text = (string)cboProType.Items[1]; break; case "2": cboProType.Text = (string)cboProType.Items[2]; break; case "3": cboProType.Text = (string)cboProType.Items[3]; break; default: cboProType.Text = (string)cboProType.Items[4]; break; } }