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protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
this.Button1.Attributes.Add("onclick", "return checkSame()");//ΪButton1Ìí¼Óonclick()ʼþ ,ButtonΪ·þÎñÆ÷¿Ø¼þ
}
}
<script type="text/javascript">
function trim(s) {
return s.replace( /^\s*/, "" ).replace( /\s*$/, "" );
}
function checkSame(){
var ob1=trim(document.getElementById('username').value);
var patrn=/^[A-Za-z0-9_-]+$/;
if(ob1.length==0) {
alert('wrong');
return false; }
if (!patrn.exec(ob1)) {alert("bu pi pei"); return false ; }
return true;
}
</script>
·þÎñ¶ËÑéÖ¤·½Ê½£ºusing System.Text.RegularExpressions;
protected void Button1_Click(object sender, EventArgs e)
{ string username=this.username.Text;
string pass = this.password.Text;
if (username.Trim().Length == 0 || username == "") { RegisterStartupScript("", "<script language=javascript>alert('Óû§Ãû²»ÄÜΪ¿Õ£¡');</script>"); }
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<compilation>
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public string StudentName
{
get{return stuName;}
set{stuName=value;}
}
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