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(DataFlex) 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

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

Use ChilkatAx-9.5.0-win32.pkg

Procedure Test
    Handle hoHttp
    Variant vReq
    Handle hoReq
    Handle hoJson
    Boolean iSuccess
    Boolean iBUseTls
    Variant vResp
    Handle hoResp
    String sTemp1
    Integer iTemp1
    Integer iTemp2
    Boolean bTemp1

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

    Get Create (RefClass(cComChilkatHttp)) To hoHttp
    If (Not(IsComObjectCreated(hoHttp))) Begin
        Send CreateComObject of hoHttp
    End

    // If SharePoint Windows classic authentication is used, then set the 
    // Login, Password, LoginDomain, and NtlmAuth properties.
    Set ComLogin Of hoHttp To "SHAREPOINT_USERNAME"
    Set ComPassword Of hoHttp To "SHAREPOINT_PASSWORD"
    Set ComLoginDomain Of hoHttp To "SHAREPOINT_NTLM_DOMAIN"
    Set ComNtlmAuth Of hoHttp To 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"
    Get Create (RefClass(cComChilkatHttpRequest)) To hoReq
    If (Not(IsComObjectCreated(hoReq))) Begin
        Send CreateComObject of hoReq
    End
    Set ComHttpVerb Of hoReq To "POST"
    Set ComPath Of hoReq To "/_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
    Send ComAddHeader To hoReq "X-RequestDigest" "SHAREPOINT_FORM_DIGEST"

    // Set the Content-Type, and indicate that a JSON response is desired.
    Set ComContentType Of hoReq To "application/json;odata=verbose"
    Send ComAddHeader To hoReq "Accept" "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
    Get Create (RefClass(cComChilkatJsonObject)) To hoJson
    If (Not(IsComObjectCreated(hoJson))) Begin
        Send CreateComObject of hoJson
    End
    Get ComUpdateString Of hoJson "__metadata.type" "SP.List" To iSuccess
    Get ComUpdateString Of hoJson "Title" "New title" To iSuccess

    // Send the POST using HTTPS (TLS). Port 443 is the default port for https.
    Move True To iBUseTls
    Get pvComObject of hoReq to vReq
    Get ComSynchronousRequest Of hoHttp "SHAREPOINT_HTTPS_DOMAIN" 443 iBUseTls vReq To vResp
    If (IsComObject(vResp)) Begin
        Get Create (RefClass(cComChilkatHttpResponse)) To hoResp
        Set pvComObject Of hoResp To vResp
    End
    Get ComLastMethodSuccess Of hoHttp To bTemp1
    If (bTemp1 <> True) Begin
        Get ComLastErrorText Of hoHttp To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // The response body contains JSON.
    Get ComBodyStr Of hoResp To sTemp1
    Get ComLoad Of hoJson sTemp1 To iSuccess
    Set ComEmitCompact Of hoJson To False

    // The expected success response code is 201.
    // (Let's also check for 200, just in case things change..)
    Get ComStatusCode Of hoResp To iTemp1
    Get ComStatusCode Of hoResp To iTemp2
    If ((iTemp1 <> 200) And (iTemp2 <> 201)) Begin
        Get ComStatusCode Of hoResp To iTemp1
        Showln "Response status code = " iTemp1
        Get ComEmit Of hoJson To sTemp1
        Showln sTemp1
        Showln "Failed"
        Send Destroy of hoResp
        Procedure_Return
    End

    Send Destroy of hoResp

    // Show the successful JSON response.
    Get ComEmit Of hoJson To sTemp1
    Showln sTemp1
    Showln "Success."

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


End_Procedure

 

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