|
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<script type="text/Javascript">
function checkuser()
{
var option={
parameters:"userid="+$("userid").value,
method:"post",
onSuccess:function(transport){
var rp=transport.responseText;
if(rp=="true")
{
alert("該用戶昵稱存在！！");
}
else
{
alert("該用戶昵稱不存在，請(qǐng)重新輸入！！");
}
},
onFailure:function(transport){
alert("數(shù)據(jù)提交失敗，請(qǐng)檢查網(wǎng)絡(luò)或重試。");
}
}
var request=new Ajax.Request("Ajax.ASPx?userid="+escape($("userid").value),option);
}
</script>
昵稱：<ASP:TextBox ID="userid" runat="server" Text="" onblur="checkuser()"></ASP:TextBox>
Ajax.ASPx頁(yè)面代碼:
private void Page_Load(object sender, System.EventArgs e)
{
string userid = Request.QueryString["userid"];
string sql = "select userid from blog_user where userid='" + userid + "')";
object o = dbconn.ExecuteScalar(sql);
if (o == null)
Response.Write("false");
else
Response.Write("true");
}
AspNet技術(shù)：asp.net AJAX實(shí)現(xiàn)無(wú)刷新獲得數(shù)據(jù)，轉(zhuǎn)載需保留來(lái)源！
鄭重聲明：本文版權(quán)歸原作者所有，轉(zhuǎn)載文章僅為傳播更多信息之目的，如作者信息標(biāo)記有誤，請(qǐng)第一時(shí)間聯(lián)系我們修改或刪除，多謝。
