之前没弄明白ComboBox还可以这样用。
先建一个ComboBox子项类,然后可以获取该项类做一些判断,关键是要重写ToString()方法。
public class ComboItem
{
public string text;
public string value;
public override string ToString()
{
return text;
}
}
添加到ComboBox中:
private void Form1_Load(object sender, EventArgs e)
{
string[] strtextarr = { "A", "B", "C" };
string[] strvaluearr = { "1", "2", "3" };
int intcount = strtextarr.Length;
for (int i = 0; i < intcount; i++)
{
ComboItem item = new ComboItem();
item.text = strtextarr[i];
item.value = strvaluearr[i];
this.comboBox1.Items.Add(item);
if (strvaluearr[i] == "1")
this.comboBox1.SelectedItem = item;
}
}
在ComboBox选择事件中显示选择值到TextBox中:
private void comboBox1_SelectedIndexChanged(object sender, EventArgs e)
{
ComboItem item = (ComboItem)this.comboBox1.SelectedItem;
this.textBox1.Text = item.value;
}
示例下载地址:http://files.cnblogs.com/qiu2013/ComboxCustomItem.zip
时间: 2024-08-12 09:07:29