Implement verification code for mobile phone sending

Html:

<li>
<label class= "K" for= "" >
Mobile number:</label>
<span class= "V" >
<input class= "Psp-text" style= "width:90px; ime-mode:disabled; "type=" text "id=" Txtmobilecode "
Name= "Txtmobilecode" maxlength= "one" size= "one" onpaste= "return false"/>
<input type= "button" value= "Get Verification Code" onclick= "Setcode (true);" id= "Btncode"/>
</span><em id= "Tiptel" ></em></li>

Jquery:

function Setcode (n) {
if ($ (' #txtMobileCode '). Length = 11) {
if (n)
$.ajax ({
Type: "Get",
DataType: "JSON",
URL: "Ajax.aspx?oper=telpcode&clienttime=" + (new Date (). GetTime ()),
Data: "Txtmobilecode=" + $ ("#txtMobileCode"). Val (),
Success:function (d) {
if (D.result = = "1") {
Alert ("Verification code sent successfully");
GetNumber ();
return true;
}
else {
Alert ("Failed to send verification code");
return false;
}
}
});
else {}
}
else {
}
}
var count = 5;
function GetNumber () {
$ ("#btnCode"). attr ("Disabled", "disabled");
$ ("#btnCode"). Val (count + "seconds after click to get")
count--;
if (Count > 0) {
SetTimeout (GetNumber, 1000);
}
else {
$ ("#btnCode"). Val ("Click to get Verification Code");
$ ("#btnCode"). attr ("Disabled", "" ");
Count = 5;
}
}

Ajax.aspx CS:

private void Ajaxtelpcode ()//Generate Verification code
{
Sms. Service SMS = new SMS. Service ();//SMS Service Interface
if (q ("Txtmobilecode")! = "")
{
String telp = q ("Txtmobilecode");//Page phone number
Random random = new random ();
String telcode = random. Next (100000, 999999). ToString ();//6-bit verification code
string s = sms.mt ("Xmysy", "FFF", Telp, "Your captcha is:" + telcode). ToString ();//Interface Send
if (s = = "0")
{
Xmldoc.load (HttpContext.Current.Server.MapPath ("~/telcode.xml"));//define the XML file to save the verification code and the phone good
XmlNode root = Xmldoc.selectsinglenode ("Tcode");
XmlNodeList nodelist = Xmldoc.selectsinglenode ("Tcode"). ChildNodes;
for (int i = 0; i < nodelist. Count; i++)//Read the original validation XML file
{
XmlElement XE = (XmlElement) nodelist. Item (i);
if (XE. GetAttribute ("tel") = = TELP)//Determine if the phone already exists and delete it to ensure that the code is unique and up-to-date, and "Resend"
{
Root. RemoveChild (XE);
if (I < nodelist. Count)
i = i-1;
}
}
Add a record to save the phone number and corresponding verification code
XmlElement xe1 = xmldoc.createelement ("Node");
Xe1. SetAttribute ("tel", telp);
XmlElement xesub1 = xmldoc.createelement ("Code");
Xesub1. InnerText = Telcode;
Xe1. AppendChild (XESUB1);

XmlElement xesub2 = xmldoc.createelement ("Tel");
Xesub2. InnerText = TELP;
Xe1. AppendChild (XESUB2);
Root. AppendChild (XE1);

Xmldoc.save (HttpContext.Current.Server.MapPath ("~/telcode.xml"));

This._response = Jsonresult (1, "Verification code sent successfully");//return content

}
Else
{
This._response = Jsonresult (0, "Error in verification code delivery");

}
}
Else
This._response = Jsonresult (0, "empty");
}

private void Ajaxregister ()//Register button
{
String _code = f ("Txtcode");
String _tel = f ("Txtmobilecode");
bool IsTrue = true;
DataSet ds = new DataSet ();
Ds. READXML (HttpContext.Current.Server.MapPath ("~/telcode.xml"));
DataTable dt = ds. Tables[0];
if (dt. Rows.Count > 0)
{
for (int i = 0; i < dt. Rows.Count; i++)
{
if (dt. rows[i]["Code"]. ToString () = = _code && dt. rows[i]["Tel"]. ToString () = = _tel)
{
IsTrue = false;
Break
}
Else
{
}

}

}
if (istrue)
{
Response.Write ("Jumbotcms.alert (' captcha error ', ' 0 ');");
Response.End ();
}

........

}

Xml:

<Tcode>
<node tel= "15980908000" >
<Code>696009</Code>
<Tel>15980908000</Tel>
</Node>
<node tel= "15980908001" >
<Code>689998</Code>
<Tel>15980908001</Tel>
</Node>
</Tcode>

Implement verification code for mobile phone sending