Update a Infopath request form from Sharepoint Workflow

Posted on August 19, 2010. Filed under: Code Snippets | Tags: , , , , |

Use the below method in SharePoint workflow to modify a field value in your request form.

private void updateInfoPathRequestForm(string xpathNode, string nodeValue)
            SPUserToken token = workflowProperties.Web.CurrentUser.UserToken;
            using (SPSite _site = new SPSite(workflowProperties.Site.ID, token))
                _site.AllowUnsafeUpdates = true;
                using (SPWeb _web = _site.OpenWeb(workflowProperties.Web.ID))
                    SPListItem item = _web.Lists[workflowProperties.List.ID].Items[workflowProperties.Item.UniqueId];
                    string checkinComment = string.Empty;
                    _web.AllowUnsafeUpdates = true;
                        if (item.File.CheckOutStatus != SPFile.SPCheckOutStatus.None) { item.File.UndoCheckOut(); }

                        MemoryStream myInStream = new MemoryStream(item.File.OpenBinary(), true);
                        XmlDocument doc = new XmlDocument();

                        XmlNamespaceManager nameSpaceManager = new XmlNamespaceManager(doc.NameTable);
                        XmlElement root = doc.DocumentElement;
                        nameSpaceManager.AddNamespace(“my”, root.NamespaceURI);

                        XmlNode nodeNav = root.SelectSingleNode(xpathNode, nameSpaceManager);
                        nodeNav.InnerText = @nodeValue;

                        checkinComment = “Workflow Edits”;
                        Stream myOutStream = new MemoryStream(Encoding.Utf8.GetBytes(doc.OuterXml), true);
                        item.File.SaveBinary(myOutStream, true);
                    catch (Exception ex)
                        //Write the Exception to the Portal Log.
                        PortalLog.LogString(“xxxxxxRequestWorkflow-Exception Occured on custom method-updateInfoPathRequestForm. Exception: {0} || {1}”, ex.Message, ex.StackTrace);
                        //throw new SPException(“”);
                    _web.AllowUnsafeUpdates = false;
                _site.AllowUnsafeUpdates = false;

The only issues i would assume would be the encoding styles while you are writing back the stream to the form, which may effect some out of date character set or lang pack character set

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Update a SharePoint Workflow Task

Posted on August 4, 2009. Filed under: Code Snippets | Tags: , , |

private void updateTaskItem(SPWorkflowTaskProperties tProperties)
            //Pull out the Task Items from the tasks list by passing
            //a query as variable to SPListItemCollection GetItems()
            Guid tListID = new Guid(workflowProperties.TaskListId.ToString());
            SPQuery tQuery = new SPQuery();
            //Query to pull the list item from the Tasks list. Items with Status ‘Completed’ will be left out.
            tQuery.Query = “<Where><Neq><FieldRef Name=’Status’/>” + “<Value Type=’CHOICE’>Completed</Value></Neq></Where>”;
                //Pull out the Tasks List using the ID provided in workflow properties
                SPList tasksList = workflowProperties.Web.Lists[tListID];
                //Querying the Tasks List returns a set of Tasks, store them.
                SPListItemCollection tCollection = tasksList.GetItems(tQuery);

                //Parse through each of the Task Item
                foreach (SPListItem tListItem in tCollection)
                    //Condition Execution, Verify for the Right Task and modify the Status
                    if (tListItem.Title == tProperties.Title)
                        if (tListItem[“Status”] == “Not Started”)
                            tListItem[“Status”] = “Completed”;



Call this method by providing the respective Taskproperties in your MOSS Workflow to modify the status or any other field.

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Getting User data from SPfield

Posted on August 4, 2009. Filed under: Code Snippets | Tags: , , |

private SPUser getUser(SPListItem item, SPField listUser)


string listUserValue = item[listUser.Title].ToString();

SPFieldUser field = (SPFieldUser)listUser;

SPFieldUserValue fieldValue = (SPFieldUserValue)field.GetFieldValue(listUserValue);

return fieldValue.User;


USAGE: string userEmail = getUser(listItem, listItem.Fields[“Modified By”]).Email;

lly any other data like displayname etc.,

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Set Specific Item Permissions

Posted on August 4, 2009. Filed under: Code Snippets | Tags: , , |

/ Set specific permissions <frm workflow view>
System.Collections.Specialized.HybridDictionary itemPermissions = new System.Collections.Specialized.HybridDictionary();
itemPermissions[workflowProperties.Originator] = SPRoleType.Contributor; (or give him appropriate permissions )
itemPermissions[taskApprover] = SPRoleType.Contributor;
createTask.SpecialPermissions = itemPermissions;

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    Xperiments n Xperiences. For the Last 5 years I have been providing variuos portal solutions (SharePoint focused) to my clients and now I intend to publish few of those solutions 'Not As It Is', which might help you. – Mash


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