JavaScript代码(1)

//后台CS调用前台JS方法
ClientScript.RegisterStartupScript(this.GetType(), "onclick", "<script>CheckInput()</script>");
//校验输入框是否为空，校验是否是数字
<script type="text/javascript" language="javascript">
         function CheckInput() {
             if (document.form1.txt_ReceiptID.value == "") {
                 alert('报销单号不能为空!');
                 document.form1.txt_ReceiptID.focus();
                 return false;
             }
             else {
                    if(checknumber(document.form1.txt_ReceiptID.value)
                    {
                        alert("报销单号为数字！");                       
                         document.form1.txt_ReceiptID.focus();
                         return false;
                 &nbs