//C# 代码：

//DeleteAttributeRequest request = new DeleteAttributeRequest();

//request.EntityLogicalName = "new_account_product";

//request.LogicalName = "fw_int";

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

//样例

function demo() {

    //实体名称

    var entityname = "new_account_product";

    //属性名称

    var attrname = "fw_int";

deleteAttribute(entityname, attrname);

}

function deleteAttribute(entityname,attrname) {

    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:DeleteAttributeRequest' 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>LogicalName</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>EntityLogicalName</b:key>";

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

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

    request += "</a:Parameters>";

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

    request += "<a:RequestName>DeleteAttribute</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", "http://schemas.microsoft.com/xrm/2011/Contracts/Services/IOrganizationService/Execute");

    ajaxRequest.send(request);

}