//C# 代码：

//InsertOptionValueRequest request = new InsertOptionValueRequest();

//request.OptionSetName = "new_year";

//request.Label = new Label("2008年", languageCode);

//request.Value = 2008;

//InsertOptionValueResponse response = (InsertOptionValueResponse)service.Execute(request);

//js样例

function demo() {

    //属性名称

    var attrName = "new_year";

    //值

    var value = "2008";

    //文本

    var lable = "";

    //语言编码

    var code = 2052;

    deleteAttribute(entityname, attrname);

}

function insertOption(attrName,value,lable,code) {

    var request = "<s:Envelope xmlns:s='http://schemas.xmlsoap.org/soap/envelope/'>";

    request += "<s:Body>";

    request += "<Execute xmlns='http://schemas.microsoft.com/xrm/2011/Contracts/Services' xmlns:i='http://www.w3.org/2001/XMLSchema-instance'>";

    request += "<request i:type='a:InsertOptionValueRequest' xmlns:a='http://schemas.microsoft.com/xrm/2011/Contracts'>";

    request += "<a:Parameters xmlns:b='http://schemas.datacontract.org/2004/07/System.Collections.Generic'>";

    request += "<a:KeyValuePairOfstringanyType>";

    request += "<b:key>Label</b:key>";

    request += "<b:value i:type='a:Label'>";

    request += "<a:LocalizedLabels>";

    request += "<a:LocalizedLabel>";

    request += "<MetadataId i:nil='true' xmlns='http://schemas.microsoft.com/xrm/2011/Metadata' />";

    request += "<HasChanged i:nil='true' xmlns='http://schemas.microsoft.com/xrm/2011/Metadata' />";

    request += "<a:IsManaged i:nil='true' />";

    request += "<a:Label>" + lable + "</a:Label>";

    request += "<a:LanguageCode>"+ code +"</a:LanguageCode>";

    request += "</a:LocalizedLabel>";

    request += "</a:LocalizedLabels>";

    request += "<a:UserLocalizedLabel i:nil='true' />";

    request += "</b:value>";

    request += "</a:KeyValuePairOfstringanyType>";

    request += "<a:KeyValuePairOfstringanyType>";

    request += "<b:key>OptionSetName</b:key>";

    request += "<b:value i:type='c:string' xmlns:c='http://www.w3.org/2001/XMLSchema'>"+ attrName +"</b:value>";

    request += "</a:KeyValuePairOfstringanyType>";

    request += "<a:KeyValuePairOfstringanyType>";

    request += "<b:key>Value</b:key>";

    request += "<b:value i:type='c:int' xmlns:c='http://www.w3.org/2001/XMLSchema'>"+ value +"</b:value>";

    request += "</a:KeyValuePairOfstringanyType>";

    request += "</a:Parameters>";

    request += "<a:RequestId i:nil='true' />";

    request += "<a:RequestName>InsertOptionValue</a:RequestName>";

    request += "</request>";

    request += "</Execute>";

    request += "</s:Body>";

    request += "</s:Envelope>";

    execSoap(request);

}

//获取服务地址

function getWebUrl() {

    var serverUrl = Xrm.Page.context.getServerUrl();

    if (serverUrl.match(/\/$/)) {

        serverUrl = serverUrl.substring(0, serverUrl.length - 1);

    }

    return serverUrl + "/XRMServices/2011/Organization.svc/web";

}

//运行请求

function execSoap(request) {

    var ajaxRequest = new XMLHttpRequest();

    ajaxRequest.open("POST", getWebUrl(), true)

    ajaxRequest.setRequestHeader("Accept", "application/xml, text/xml, */*");

    ajaxRequest.setRequestHeader("Content-Type", "text/xml; charset=utf-8");

    ajaxRequest.setRequestHeader("SOAPAction", "");

    ajaxRequest.send(request);

}