int result = 0;
bool isnum = int.TryParse(this.TextBox1.Text, out result);
for (int i = 1; i <= result; i++)
{
Literal bai4 = new Literal(); //声明一个Literal变量
bai4.Text = "<br/>";
string id = "ddlx" + i.ToString();
Label lab = new Label();
lab.Text = "端口" + i;
divSelect.Controls.Add(lab);
DropDownList ddl = new DropDownList();
ddl.ID = "ddl" + i.ToString();
ddl.Items.Add("类型" + i.ToString());
ddl.AutoPostBack = true;
ddl.SelectedIndexChanged += new EventHandler(dselect);
divSelect.Controls.Add(ddl);
//divSelect.Controls.Add(new Literal("<br/>"));
divSelect.Controls.Add(bai4);
}
使用上面的代码动态添加DropDownList控件,但 ddl.SelectedIndexChanged += new EventHandler(dselect);怎么不会触发事件呢????--------------------------------------------------------------------------------
bool isnum = int.TryParse(this.TextBox1.Text, out result);
for (int i = 1; i <= result; i++)
{
Literal bai4 = new Literal(); //声明一个Literal变量
bai4.Text = "<br/>";
string id = "ddlx" + i.ToString();
Label lab = new Label();
lab.Text = "端口" + i;
divSelect.Controls.Add(lab);
DropDownList ddl = new DropDownList();
ddl.ID = "ddl" + i.ToString();
ddl.Items.Add("类型" + i.ToString());
ddl.AutoPostBack = true;
ddl.SelectedIndexChanged += new EventHandler(dselect);
divSelect.Controls.Add(ddl);
//divSelect.Controls.Add(new Literal("<br/>"));
divSelect.Controls.Add(bai4);
}
使用上面的代码动态添加DropDownList控件,但 ddl.SelectedIndexChanged += new EventHandler(dselect);怎么不会触发事件呢????--------------------------------------------------------------------------------
是不是这问题1
我直接copy了你的代码,不是将页面上拖入了一个叫divSelect的panel控件
page_load
{
if(Convert.TOboolean(Viewstate["isok"])==true)
{
CreateControl();
}button_click
{
CreateControl();
}}
CreateControl()
{
........//创建控件的代码
viewstate["isok"]=true
}