//C# 代码：
//InsertOptionValueRequest request = new InsertOptionValueRequest();
//request.OptionSetName = "new_year";
//request.Label = new Label("2008年", languageCode);
//request.Value = http://www.mamicode.com/2008;
//InsertOptionValueResponse response = (InsertOptionValueResponse)service.Execute(request);

//js例子
function demo() {
    //属性名称
    var attrName = "new_year";
    //值
    var value = http://www.mamicode.com/"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";
}
//执行请求
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", "http://schemas.microsoft.com/xrm/2011/Contracts/Services/IOrganizationService/Execute");
    ajaxRequest.send(request);
}