C# 如何在C中使用SharePoint Online 2013 Rest API删除列表项#
我正在尝试使用REST API和C#托管代码从SharePoint 2013 Online中删除列表项 以下是我的代码的精髓:C# 如何在C中使用SharePoint Online 2013 Rest API删除列表项#,c#,rest,sharepoint-2013,C#,Rest,Sharepoint 2013,我正在尝试使用REST API和C#托管代码从SharePoint 2013 Online中删除列表项 以下是我的代码的精髓: using (var client = new WebClient()) { client.Headers.Add("X-FORMS_BASED_AUTH_ACCEPTED", "f"); client.Credentials = mySPCreds; client.Headers.Add(HttpRequestHeader.ContentTy
using (var client = new WebClient())
{
client.Headers.Add("X-FORMS_BASED_AUTH_ACCEPTED", "f");
client.Credentials = mySPCreds;
client.Headers.Add(HttpRequestHeader.ContentType, "application/json;odata=verbose");
client.Headers.Add(HttpRequestHeader.Accept, "application/json;odata=verbose");
client.Headers.Add("X-HTTP-Method", "DELETE");
client.Headers.Add("IF-MATCH", "*");
var requestUri = new Uri("https://mysharepointsite.../_api/web/lists/getbytitle('MyList')/items(123)");
client.UploadString(requestUri, String.Empty);
}
我的403权限被拒绝,但使用类似的模式,我可以创建一个列表项。我正在使用WebClient的凭据,它是SharePointOnlineCredentials对象。我是SharePoint网站管理员
因此,我想知道我是否只是语法/方法有误。如果我没有权限问题,有人能验证我上面的代码“应该”工作吗?好的,我找到了解决方案: 客户端标题需要包括表单摘要:
client.Headers.Add("X-RequestDigest", GetFormDigest());
要获取表单摘要,可以使用以下代码:
private string GetFormDigest()
{
var webClient = new WebClient();
webClient.Headers.Add("X-FORMS_BASED_AUTH_ACCEPTED", "f");
webClient.Credentials = this.Credentials;
webClient.Headers.Add(HttpRequestHeader.ContentType, String.Format("application/json;odata=nometadata"));
webClient.Headers.Add(HttpRequestHeader.Accept, String.Format("application/json;odata=nometadata"));
var uri = new Uri(this.SharepointBaseURL);
var endpointUri = new Uri(uri, "_api/contextinfo");
var result = webClient.UploadString(endpointUri, "POST");
JToken t = JToken.Parse(result);
//Use this if odata = nometadata
return t["FormDigestValue"].ToString();
//Use this if odata = verbose
//return t["d"]["GetContextWebInformation"]["FormDigestValue"].ToString();
}
注意:凭证也很棘手,下面是代码:
var securePassword = new SecureString();
foreach (var c in myPassword)
{
securePassword.AppendChar(c);
}
this.Credentials = new SharePointOnlineCredentials(myUserName, securePassword);