sdata crud (update example using SID)

The following is an example of how to update a field, in this case an Oppo_OpportunityUId, via client side 'Custom Content' using an sdata2/sagecrm2 (CRUD) call. In this example the aim is to copy the hidden Opportunity Id to a new field so that it can be exposed to the end user as a unique reference identifier. We make use of the SID in order to bypass the need for authentication.

<script>
crm.ready(function(){
  // Manage Opportunity UId field
  if ($("#oppo_opportunityuid").length > 0)
  {
    // Edit Mode
    crm.fields("oppo_opportunityuid").collapse();
    var OppoId = parseInt(crm.getArg("Key7"));
    var OppoUId = parseInt($("#oppo_opportunityuid").val());
    if (!isNaN(OppoId) && isNaN(OppoUId))
    {
      crm.fields("oppo_opportunityuid").val(OppoId);
    }
  }
  else
  {
    // View Mode
    var OppoId = parseInt(crm.getArg("Key7"));
    var OppoUId = parseInt($("#_HIDDENoppo_opportunityuid").val());
    if (!isNaN(OppoId) && (isNaN(OppoUId) || OppoUId == 0))
    {
      // Build the sdata2 url
      var strUrl = crm.url(location.href, {parts:"sap"});
      strUrl = strUrl.split("eware.dll")[0];
      strUrl += "sagecrm2/-/opportunity('" + OppoId + "')";
      strUrl += "?SID=" + crm.getArg("SID", crm.url());
      // Build the data Object to update the UId
      var objOppo = {
        "Oppo_OpportunityUId": OppoId
      };
      // Ajax Update Call
      $.ajax({
        type: "POST",
        url: strUrl,
        data: JSON.stringify(objOppo),
        contentType: "application/json; charset=utf-8",
        dataType: "json",
        success: function(data) { $("#_Dataoppo_opportunityuid").text(data.oppo_OpportunityUID); },
        error: function(jqXHR, textStatus, errorThrown) { alert("Failed to update UId: " + errorThrown); }
      });
    }
  }
});
</script>