如combobox下拉框显示的是
上海 021
杭州 0571
绍兴 0575
北京 010
… …当选择第二项后只显示“杭州”DataView dv = new DataView();
SqlDB db = new SqlDB();
dv = db.DataView("select Name,Code from TClientInfo where ClientTypeCode='代理商'");
for (int i = 0; i <= dv.Count - 1; i++)
{
cbo_client.Items.Add(dv[i]["Name"].ToString() + " || " + dv[i]["Code"].ToString());
cbo_client.AutoCompleteCustomSource.Add(dv[i]["Name"].ToString() + " || " + dv[i]["Code"].ToString());
}好像有DisplayMember和ValueMember,怎么用啊,请教下万分感谢
上海 021
杭州 0571
绍兴 0575
北京 010
… …当选择第二项后只显示“杭州”DataView dv = new DataView();
SqlDB db = new SqlDB();
dv = db.DataView("select Name,Code from TClientInfo where ClientTypeCode='代理商'");
for (int i = 0; i <= dv.Count - 1; i++)
{
cbo_client.Items.Add(dv[i]["Name"].ToString() + " || " + dv[i]["Code"].ToString());
cbo_client.AutoCompleteCustomSource.Add(dv[i]["Name"].ToString() + " || " + dv[i]["Code"].ToString());
}好像有DisplayMember和ValueMember,怎么用啊,请教下万分感谢
http://www.codeproject.com/cs/combobox/DotNetMultiColumnComboBox.asp
SqlDB db = new SqlDB();
dv = db.DataView("select Name+Code as Name,Code from TClientInfo where ClientTypeCode= '代理商 '");
cbo_client.DataSource =dv ;
cbo_client.DisplayMember = "Name";
cbo_client.ValueMember = "Code";
//取值的时候:Console.WriteLine(cbo_client.SelectedValue);
输出的是Code的值。而ComboBox显示的是Name的值
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
} private void Form1_Load(object sender, EventArgs e)
{ } private void button1_Click(object sender, EventArgs e)
{
this.comboBox1.Items.Clear();
abc a;
for (int i = 1; i <= 10; i++)
{
a = new abc();
a.ID = i.ToString() + "ID";
a.Name = i.ToString() + "Name";
this.comboBox1.Items.Add(a);
}
} private void comboBox1_DropDown(object sender, EventArgs e)
{
this.comboBox1.DisplayMember = "";
} private void comboBox1_SelectedIndexChanged(object sender, EventArgs e)
{
this.comboBox1.DisplayMember = "ID";
}
}
public class abc
{
private string m_ID;
private string m_Name; public string ID
{
get
{
return m_ID;
}
set
{
m_ID = value;
}
}
public string Name
{
get
{
return m_Name;
}
set
{
m_Name = value;
}
}
public string dis
{
get
{
return m_ID + "||" + m_Name;
}
}
public override string ToString()
{
return m_ID + "||" + m_Name;
}
}