Kit Menke's Blog

The goal of this post is to provide an easy to understand example of how to enable editing in an SPGridView. In this case, my datasource of choice is a SharePoint list.

The way that I chose to implement editing in an SPGridView involved two classes:

• SimpleLogic – handles query and update operations
• SimpleSPGrid – handles all of the setup for the ObjectDataSource and the SPGridView

The main advantage for splitting the two classes is to separate all of the business logic into one class. Ideally, you should be able to completely change how the SimpleLogic class retrieves/updates data without changing the SimpleSPGrid code.

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I was developing an input form for a search when I came across the need to allow the user to filter items using a date range. I had two input boxes where the user could enter a start and an end date. For some of the most common date ranges, I decided to create links that could be clicked to auto-populate the start/end date textboxes. For example, searching for items that were created last week or last month. Using JavaScript’s Date object, I was able to put together some nice examples.

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The SPGridView is one of the most useful SharePoint controls. You can use it to do sorting, grouping, and filtering just like the out of the box List View Web Part does for regular lists and libraries. This makes it relatively easy to create a custom grid with your own data. Unfortunately, filtering with the SPGridView is a little quirky, especially if your data could potentially contain apostrophes.

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I recently ran into a problem creating alerts in a web part for the current user. After the alert was added, no matter what I set the SPAlert’s EventType to, it always defaulted to All. I finally figured out a way around this problem thanks to a helpful post by erwin at sharepointology.

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One thing that bugs me all the time is when a window doesn’t remember the position that it was resized or moved to. Although it is more of a nuisance than anything else, I decided to write a little AutoIt3 script to automatically resize my Remote Desktop windows to be the certain place and size that I prefer them to be in.

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