(Unicode C) SharePoint -- Update List

See more SharePoint Examples

This example shows how to update a SharePoint (to change the value of a list property, such as Title).

For more information, see https://docs.microsoft.com/en-us/sharepoint/dev/sp-add-ins/working-with-lists-and-list-items-with-rest

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#include <C_CkHttpW.h>
#include <C_CkHttpRequestW.h>
#include <C_CkJsonObjectW.h>
#include <C_CkHttpResponseW.h>

void ChilkatSample(void)
    {
    HCkHttpW http;
    HCkHttpRequestW req;
    HCkJsonObjectW json;
    BOOL bUseTls;
    HCkHttpResponseW resp;

    // This requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    http = CkHttpW_Create();

    // If SharePoint Windows classic authentication is used, then set the 
    // Login, Password, LoginDomain, and NtlmAuth properties.
    CkHttpW_putLogin(http,L"SHAREPOINT_USERNAME");
    CkHttpW_putPassword(http,L"SHAREPOINT_PASSWORD");
    CkHttpW_putLoginDomain(http,L"SHAREPOINT_NTLM_DOMAIN");
    CkHttpW_putNtlmAuth(http,TRUE);

    // The more common case is to use SharePoint Online authentication (via the SPOIDCRL cookie).
    // If so, do not set Login, Password, LoginDomain, and NtlmAuth, and instead
    // establish the cookie as shown at SharePoint Online Authentication

    // To create a list, we're going to POST to
    // https://SHAREPOINT_HTTPS_DOMAIN/_api/web/lists(guid'{list_guid}')
    // with a request body containing the following JSON:
    // 
    // {
    //   "__metadata": {
    //     "type": "SP.List"
    //   },
    //   "Title": "New title"
    // }

    // In this case, the list_guid is "b0d92cec-4be1-4e52-943d-ebcb432e1c3b"
    req = CkHttpRequestW_Create();
    CkHttpRequestW_putHttpVerb(req,L"POST");
    CkHttpRequestW_putPath(req,L"/_api/web/lists(guid'b0d92cec-4be1-4e52-943d-ebcb432e1c3b')");

    // We need to add a form digest value in the X-RequestDigest header field.
    // See this example for details on
    // how to get (and cache) a form digest value
    CkHttpRequestW_AddHeader(req,L"X-RequestDigest",L"SHAREPOINT_FORM_DIGEST");

    // Set the Content-Type, and indicate that a JSON response is desired.
    CkHttpRequestW_putContentType(req,L"application/json;odata=verbose");
    CkHttpRequestW_AddHeader(req,L"Accept",L"application/json;odata=verbose");

    // Create and add the JSON body.
    // Use this online tool to generate code from sample JSON: 
    // Generate Code to Create JSON
    json = CkJsonObjectW_Create();
    CkJsonObjectW_UpdateString(json,L"__metadata.type",L"SP.List");
    CkJsonObjectW_UpdateString(json,L"Title",L"New title");

    // Send the POST using HTTPS (TLS). Port 443 is the default port for https.
    bUseTls = TRUE;
    resp = CkHttpW_SynchronousRequest(http,L"SHAREPOINT_HTTPS_DOMAIN",443,bUseTls,req);
    if (CkHttpW_getLastMethodSuccess(http) != TRUE) {
        wprintf(L"%s\n",CkHttpW_lastErrorText(http));
        CkHttpW_Dispose(http);
        CkHttpRequestW_Dispose(req);
        CkJsonObjectW_Dispose(json);
        return;
    }

    // The response body contains JSON.
    CkJsonObjectW_Load(json,CkHttpResponseW_bodyStr(resp));
    CkJsonObjectW_putEmitCompact(json,FALSE);

    // The expected success response code is 201.
    // (Let's also check for 200, just in case things change..)
    if ((CkHttpResponseW_getStatusCode(resp) != 200) && (CkHttpResponseW_getStatusCode(resp) != 201)) {
        wprintf(L"Response status code = %d\n",CkHttpResponseW_getStatusCode(resp));
        wprintf(L"%s\n",CkJsonObjectW_emit(json));
        wprintf(L"Failed\n");
        CkHttpResponseW_Dispose(resp);
        CkHttpW_Dispose(http);
        CkHttpRequestW_Dispose(req);
        CkJsonObjectW_Dispose(json);
        return;
    }

    CkHttpResponseW_Dispose(resp);

    // Show the successful JSON response.
    wprintf(L"%s\n",CkJsonObjectW_emit(json));
    wprintf(L"Success.\n");

    // Use this online tool to generate parsing code from sample JSON: 
    // Generate Parsing Code from JSON


    CkHttpW_Dispose(http);
    CkHttpRequestW_Dispose(req);
    CkJsonObjectW_Dispose(json);

    }