Microsoft Dynamic CRM 自定义重复检测功能

表单中Onsave中
var Attributes=new Array();
Attributes[0]="zz_accountid";
var Conditions=new Array();
Conditions[0]=new Array

("zz_accountid","Equal",crmForm.all.zz_accountid.DataValue[0].id.replace

("{","").replace("}",""));
Conditions[1]=new Array

("zz_zywqjid","Equal",crmForm.all.zz_zywqjid.DataValue[0].id.replace

("{","").replace("}",""));
Conditions[2]=new Array

("zz_productid","Equal",crmForm.all.zz_productid.DataValue[0].id.replace

("{","").replace("}",""));
Conditions[3]=new Array

("zz_systemuserid","Equal",crmForm.all.zz_systemuserid.DataValue

[0].id.replace("{","").replace("}",""));
var resultXml=MyRetrieveMultiple("zz_zlccx", Attributes, Conditions);
var results=resultXml.getElementsByTagName('BusinessEntity');
if(results.length>0)
{
alert("已经有相同的临床纯销了，不能再新建了！");
event.returnValue=false;
return false;
}

//根据条件取记录,支持多条件，多记录和取多字段
function MyRetrieveMultiple(EntityName, Attributes, Conditions) {
var authenticationHeader = GenerateAuthenticationHeader();
// var authenticationHeader = "";
var sAttributes;
var sConditions;
sAttributes = "";
sConditions = "";
for (var i = 0; i < Attributes.length; i++) {

sAttributes += "<q1:Attribute>" + Attributes[i] + "</q1:Attribute>";
}
for (var i = 0; i < Conditions.length; i++) {

var Con = Conditions[i];
sConditions += "<q1:Condition>";
sConditions += "<q1:AttributeName>" + Con[0] +

"</q1:AttributeName>";
sConditions += "<q1:Operator>" + Con[1] + "</q1:Operator>";
sConditions += "<q1:Values>";
sConditions += "<q1:Value xsi:type='xsd:string'>" + Con[2] +

"</q1:Value>";
sConditions += "</q1:Values>";
sConditions += "</q1:Condition>";
}
// Prepare the SOAP message.
var xml = "<?xml version='1.0' encoding='utf-8'?>" +
"<soap:Envelope

xmlns:soap='http://schemas.xmlsoap.org/soap/envelope/'" +
" xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance'" +
" xmlns:xsd='http://www.w3.org/2001/XMLSchema'>" +
authenticationHeader +
"<soap:Body>" +
"<RetrieveMultiple

xmlns='http://schemas.microsoft.com/crm/2007/WebServices'>" +
"<query xmlns:q1='http://schemas.microsoft.com/crm/2006/Query'"

+
" xsi:type='q1:QueryExpression'>" +
"<q1:EntityName>" + EntityName + "</q1:EntityName>" +
"<q1:ColumnSet xsi:type='q1:ColumnSet'>" +
"<q1:Attributes>" +
sAttributes +
"</q1:Attributes>" +
"</q1:ColumnSet>" +
"<q1:Distinct>false</q1:Distinct>" +
"<q1:Criteria>" +
"<q1:FilterOperator>And</q1:FilterOperator>" +
"<q1:Conditions>" +
sConditions +
"</q1:Conditions>" +
"</q1:Criteria>" +
"</query>" +
"</RetrieveMultiple>" +
"</soap:Body>" +
"</soap:Envelope>";
// Prepare the xmlHttpObject and send the request.
var xHReq = new ActiveXObject("Msxml2.XMLHTTP");
xHReq.Open("POST", "/mscrmservices/2007/CrmService.asmx", false);
xHReq.setRequestHeader("SOAPAction",

"http://schemas.microsoft.com/crm/2007/WebServices/RetrieveMultiple");
xHReq.setRequestHeader("Content-Type", "text/xml; charset=utf-8");
xHReq.setRequestHeader("Content-Length", xml.length);
xHReq.send(xml);
var resultXml = xHReq.responseXML;
return resultXml;
}