Determining the Current User Context inside Sharepoint

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What's the best way to determine the current user within a custom web part developed for MOSS 2007? I've found four solutions so far, but I'm pretty sure there are more:
1. Use System.Web.HttpContext.Current.User.Identity.Name, like in any ASP.Net web application
2. Use System.Security.Principal.WindowsIdentity.GetCurrent().Name
3. Have the Current User Filter send the current user to your web part, and (of course) make your web part a consumer of that value.
4. SPWeb web = SPControl.GetContextWeb(Context); SPUser currentUser = web.CurrentUser;

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Total Count of Items in a List in Sharepoint

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I had a recent assignment to test the performance of a List. The list was behaving really slow and I need to determine the total number of items in the list.
Aaaah ………… there starts the problem. I wanted the total number of items in the list and I could only do that by navigating through the List Item pages which was around 20,000 + Items, So need to click through every single pages and it would take couple of months to figure out the exact numbers. Then I thought about the "Calculated Columns" in Sharepoint.
Finally I figured out to get the total count of the Items in a Sharepoint List. Here are the steps -


Step 1.Create a "Calculated (calculation based on other columns) " column in the List
Step 2.Column Name - "Total"
The Type of Information in this column - "Calculated"
In the Formula Column put - "=SUM(ID)" (without apostrophise)
Select "The data type returned from this formula is: " as Number
Step 3.Select "OK" -…
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SharePoint Scrolling Announcement/ News Scroll for 2010/2013

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I been asked to create a scrolling announcement for one of my SharePoint 2010 website and  thought it was straight forward however googling for a while i realised many solution have lots of script to be done and some not working, i finally found an easier way to do the same; i have spend many hours to make this happen, by posting this hope will save some of your time.

How does this work ? This uses Content Query webpart and fetch data from Announcement list (Yes any number of announcements can be scrolled) and will display on the site, Here is a screenshot -


If you like it and would want to implement it here are the  steps -

[I have done this and tested on SharePoint 2010 and IE 11/Chrome]

Step 1.
Create an Announcement list or use the one which is already in the SharePoint list (You can create any list as you wish)

Step 2.
Add a CQWP and fetch the item to display- in my case i set a new field called "Show Scroll" and in the CQWP filtered the items if set to Yes























Step 3.

I h…
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How to filter SharePoint List based on user permission

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Have you ever had a scenario where you had to create a custom list and then you should only show items in the list which the user is supposed to see based on the user permission or the User Group he belongs to?

Read on if you want to find a solution for this scenario..... I did tried lot of researching and I got bits and pieces of information scattered in the net but couldn’t find a compete article, so thought to blog it, hope this will help you.

I will brief a bit more on the scenario:

I was asked to create a Master Custom list for users of different departments in my company however since there are confidential documents these items should not be shown to each other. My initial thought was to achieve this OOB using views and permission however while digging down I understood that this was not straight forward and I couldn’t find much help from the internet. To achieve this I have done the below : 

Step 1.

First I have created a Custom list called “Contract Manager” with the necessary col…
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