Representation of a list item within the SharePoint API.

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3answers
2k views

Getting “Object reference not set to an instance” but column name exists

The NewsCaption field exists (both display and internal name is NewsCaption). I even saw it exists when I went to watch window and show this field listed in the SchemaXML for the fields element. I am ...
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2answers
3k views

Need Help - How to update listitem of type User in sharepoint 2010?

I am trying to update a list which is having User content type field, where I am saving users name selected from people picker. Now my requirement is to add/remove a particular person in that list ...
5
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2answers
930 views

Problem with CAML SPQuery ItemChildCount result

I know that this query works fine SPQuery query = new SPQuery(); query.Query = "<OrderBy><FieldRef Name='ItemChildCount' Ascending='FALSE' /></OrderBy>"; But my ...
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votes
2answers
2k views

Updating a ListItem that another user has edited

I have an event receiver that creates/updates/deletes publishing pages in a publishing library. In ItemUpdating, I get a handle to the page's underlying ListItem, change some of its properties and ...
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1answer
763 views

Microsoft.SharePoint.SPException: The security validation for this page is invalid

I used SharePoint Designer 2007 to make a Workflow that copy item of Calendar list to Contact list when I create a new item. Then I run my code that new item in Calendar list. Unfortunately, I get a ...
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1answer
300 views

Copying a document between libraries breaks QuickParts

I am copying a file between 2 libraries which contain the same fields. So basically the source library serves as a template library. After the file is copied i update the field values in the ...
3
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1answer
465 views

How can I undelete records from a SPList programmatically?

There is a SharePoint List from which many records have been deleted using CAML. The records are available in the Recycle Bin. Is there an way to recover the records using scripting/CAML etc ? Since ...
3
votes
3answers
2k views

Find creation time for list elements (including documents)

I know SharePoint has some hidden fields for list items. I need to check the timestamp for when a list element was created, is this possible? The reason is I must allow the item to be edited for the ...
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2answers
195 views

Editing list item with custom field creates a new list item on current date and time

Based on How to add new field to custom list (See edit!) It is a different question relating to the above so thought I'd create a new question as the above was technically answered. But after adding ...
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2answers
13k views

Safest way to get a date from Sharepoint into a C# datetime field, using object model?

If I have a Sharepoint list item with a date field. How can I get the field value populated into a c# datetime object? For example: DateTime validfrom = Convert.ToDateTime(item["validfrom"]); ...
4
votes
1answer
200 views

Delayed Writes & Implications for Cross-Process Synchronization

Simple scenario: OWSTIMER creates a new SPListItem, populates it and calls .Update(). It then fires an HTTP request over to w3wp.exe (front-end app-pool) to invalidate an in-memory cache held there. ...
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1answer
1k views

How to get checked out SPListItem for current user by file name using CAML query?

I use SharePoint 2010 RTM and now I'm trying to get SPListItem, which was checked out by current user, using code like this: query.Query = "<OrderBy>" + ...
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3answers
834 views

Exporting SPList

I'm iterating SPWebs and SPLists. When those lists fulfil specific requirements, I would like to export the lists in code, and later import them to another SharePoint environment (using code). How ...
3
votes
2answers
2k views

OnWorkflowItemChanged not firing when using SPListItem.Update()

I am experiencing a very weird behavior: After using SPListItem.Update() the OnWorkflowItemChanged is triggered (so the title is misleading), but sends the workflow into a sleep state it never wakes ...
2
votes
3answers
2k views

Attempt to get property CheckOutType of SPFile cause 'System.NullReferenceException' exception

I have a strange situation: If the "Require Check Out" and "Create Major Versions" options are switched on for the current Document Library, then when I try to get the CheckOutType property I receive ...
3
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2answers
294 views

SP2010 splistitem AND accessing css or style

I have an event receiver which adds splistitems from child sites to the parents site list (in a calendar). How do I access the css or style of an splistitem? I am wanting to color code the different ...
6
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1answer
2k views

Attach a file to the list item

I attach a file to the list item when it is updating and when new item added. Additional condition when item updating - if the file already exists, remove it and replace the new one. I receive events ...
7
votes
3answers
2k views

Multiple Lookup field , how to return better deliminators using object model?

I have a multiple lookup field, and when I do this: string myValue = oItem["MyLookupField"]; I get this string back: [id];#[displayText];#[id];#[displayText] or a real example: "5;#C3;#15;#P3" ...
3
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2answers
6k views

Set default value in a document library column via Powershell?

I'm looking for a powershell script that allows me to set the default value for a column in SharePoint. Thanks
5
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4answers
23k views

How to set ListItem Lookup Field value

How do I set a ListItem's Lookup field using code? SPFile file = list.RootFolder.Files.Add(destUrl, iStream, true); SPListItem item = file.Item; item["DocumentID"] = DocID.ToString(); ...
13
votes
1answer
11k views

How to get a SPFieldLookupValue from an SPListItem?

When you get an SPListItemCollection from a SPList.GetItems(SPQuery) request, and the items have SPFieldUser or SPFieldLookup fields, what is the sexy way to get typed values, not the ...