private void button1_Click(object sender, EventArgs e)
{
comboBox1.Items.Add("20041516");
comboBox1.Items.Add("20041517");
comboBox1.Items.Add("20041518");
} private void button2_Click(object sender, EventArgs e)
{
comboBox1.Items.Add("张三");
comboBox1.Items.Add("李四");
comboBox1.Items.Add("王五");
}不知道楼主是不是这个意思了?
{
comboBox1.Items.Add("20041516");
comboBox1.Items.Add("20041517");
comboBox1.Items.Add("20041518");
} private void button2_Click(object sender, EventArgs e)
{
comboBox1.Items.Add("张三");
comboBox1.Items.Add("李四");
comboBox1.Items.Add("王五");
}不知道楼主是不是这个意思了?
可以演示一遍吗??麻烦了!
private void comboBox1_SelectedIndexChanged(object sender, System.EventArgs e)
{
comboBox2.Items.Clear();
if(comboBox1.Text=="学号")
{
comboBox2.Items.Add("01");
comboBox2.Items.Add("02");
}
if(comboBox1.Text=="姓名")
{
comboBox2.Items.Add("zhangsan");
comboBox2.Items.Add("lisi");
}
}
{
comboBox2.Items. Clear();
if(comboBox1.Text.ToString().Trim()=="学好")
{
comboBox2.Items.Add("20080001");
comboBox.Items.Add("20080002");
comboBox2.Items.Add("20080003");
}
if(comboBox1.Text.ToString.Trim()=="姓名")
{
comboBox2.Items.Add("张三");
comboBox2.Items.Add("李四");
comboBox2.Items.Add("王五");
}
}
根据不同的条件去触发,然后绑定到COMBOBOX2
那相同的index就对应了相同的项目void ComboBox1SelectedIndexChanged(object sender, EventArgs e)
{
comboBox2.SelectedIndex = comboBox1.SelectedIndex;
}
{
comboBox2.Items.Clear();
if (comboBox1.SelectedIndex == 0)
{
comboBox2.Items.Add("20080001");
comboBox2.Items.Add("20080002");
comboBox2.Items.Add("20080003"); }
else
{
comboBox2.Items.Add("张三");
comboBox2.Items.Add("李四");
comboBox2.Items.Add("王五");
}最后我是这样做的~~希望多多指点!!谢谢 !!