Wednesday, December 16, 2009

SharePoint 2010 - List Relationship

Today, I got the access to the SharePoint 2010 Beta and guess what I saw? The most beautiful thing that could happen to the SharePoint lists...Relationships. Just like Database relations. :o)

Lets take a look at the following screen shot: While creating a lookup column in a list, I noticed following enhancements:

  1. I can choose ID Column from the parent list.Very very important for building reports/views.
  2. If I choose other column (Title etc), I still can include ID as an additional field.
  3. Restrict & Cascade delete option. :o) If I choose restrict and want to delete parent item, having child items...it will not allow me to do so. If I choose cassade and want to delete parent item...it will delete all the child items along with the parent.

SharePoint 2010 Lists rock!

Friday, December 11, 2009

Join Lists Using SharePoint Designer 2007

Background:
There is no parent-child relationship support in MOSS 2007 lists by default. But as a developer, we all know it is the most common functionality while storing and displaying the data. Following is the technique that I discovered somewhere on the internet to display the data using DataView Control in SharePoint Designer(while developing reports for my last project), but unfortunatily I lost the original source and thought to reproduce it in my blog with some enhancements.

Implementation:
Following are the steps to perform Inner Join on two lists using DataView Control in SharePoint Designer:

1. We need following two lists(with data in them):
  • Department (ID, Title)
  • Student (ID,Department_x0020_ID, Title)


  • 2. Open SharePoint Designer and create a new ASPX page.

    3. Create a linked datasource by following steps:
    1. Select Create a new Linked Source... from Data Source Library tab.

    2. In Data Source Properties dialog, select Configure Linked Source... button.

    3. From Link Data Sources Wizard, select Students and Department Lists and hit Next.

    4. Choose Join the contents... option and select Finish.

    5. Then select OK to get the New Data Source.

    6. Expand the New Data Source and select Show Data option.

    7. Under Data Source Details tab, you should see both lists (Department and student).


    4. Insert a Data View control into the ASPX page.
    5. Under Data Source Details tab, expand the Students list and drag and drop the Title column to Data View control and it will display all the students.
    6. Now place your cursur in Title column and select Table -> Insert -> Column to Right. In this column we will display Department.Title.
    7. Place your cursor on the first row of new column, select Title Column from Department list and select the Insert selected field as... button and choose Joined Subview opion.
    8. In Join Subview dialog, select Department_x0020_ID = ID and hit OK. (Pic 12)
    9. Thats it :o).
    10. Play with the HTML to make it look like a report.

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