protected void Button1_Click(object sender, EventArgs e)
{
System.Text.StringBuilder scriptString = new System.Text.StringBuilder();
scriptString.Append("<script language = Javascript>");
scriptString.Append("function Confirm(){");
scriptString.Append("return confirm('确认:" + txtName + "吗?');}");
scriptString.Append("</script>");
string js = scriptString.ToString();
if (!IsClientScriptBlockRegistered("Confirm"))
{
RegisterClientScriptBlock("Confirm", js);
}
Button1.Attributes.Add("onClick", "return Confrim()");
}
{
System.Text.StringBuilder scriptString = new System.Text.StringBuilder();
scriptString.Append("<script language = Javascript>");
scriptString.Append("function Confirm(){");
scriptString.Append("return confirm('确认:" + txtName + "吗?');}");
scriptString.Append("</script>");
string js = scriptString.ToString();
if (!IsClientScriptBlockRegistered("Confirm"))
{
RegisterClientScriptBlock("Confirm", js);
}
Button1.Attributes.Add("onClick", "return Confrim()");
}
System.Text.StringBuilder scriptString = new System.Text.StringBuilder();
scriptString.Append("<script language = Javascript>");
scriptString.Append("function Confirm(){");
scriptString.Append("return confirm('确认:" + txtName + "吗?');}");
scriptString.Append("</script>");
string js = scriptString.ToString();
if (!IsClientScriptBlockRegistered("Confirm"))
{
RegisterClientScriptBlock("Confirm", js);
}
Button1.Attributes.Add("onClick", "return Confrim()");
在click里已经是提交到服务器端
嘿嘿,你看看当你button_click事件还没有执行的时候,有你那段confirm的js代码么?
显然没有了。所以,就先去执行button_click事件了,然后再创建了那段confirm的js代码。
scriptString.Append("function Confirm()//这里{");
Button1.Attributes.Add("onClick", "return Confrim()//这里");
比较一下两个代码,你就知道了
就是生成一个Button1下的属性标记,也就是在html页面里的onClick=return Confrim()
另外,Button1的autopostback设成false
点击Button1时谈出对话框但没有引起回传