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Representing columns data in Visual Basic .Net from a SQL database

Posted on 2009-07-14
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Hello,

I am writing a simple app in Visual Basic 2008 that will pull some data from a SQL database using a rather complex query and represent it in a form. Once this data is retrieved, a complex set of operations are carried out and displayed on another form in a similar tabular format

What is the best element to use to display this data (table, grid, etc). I know I can use datagridview, but i dont need the connection to be "live" - just extraction. Nothing needs to be written back to the database either. I imagine a listbox would work, but I would prefer that the end user have a simplistic excel-like interface.

Any example declarations would be greatly appreciated.

Thanks in advance.
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Question by:ashbrookcorp
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5 Comments
 
LVL 48

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by:jpaulino
jpaulino earned 400 total points
ID: 24854702
>> but I would prefer that the end user have a simplistic excel-like interface.

But the DataGridView don't need to save the change back to the database. In fact you have to write some code in order to do that.
 
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CodeCruiser earned 1600 total points
ID: 24857856
As said by JPaulino, datagridview does not write back to the database automatically if you do not configure it to do so. So you can retrieve the data from the db into a datatable. Use that datatable as the datasource of the grid and any changes made would remain in the datatable.

Here is an example of how to load and display using datatable


dim dTable as new datatable
dim dbadp as new sqldataadapter("select * from tablename", connectionstring)
dbadp.fill(dTable)
dbadp.dispose
datagridview1.DataSource = dTable

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Author Closing Comment

by:ashbrookcorp
ID: 31603491
More points awarded to codecruiser for providing example code.
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LVL 48

Expert Comment

by:jpaulino
ID: 24872828
>> More points awarded to codecruiser for providing example code.
You didn't asked that :)
No problem ... glad I could help.
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Author Comment

by:ashbrookcorp
ID: 24878050
yeah i did!

>> Any example declarations would be greatly appreciated.

No matter. You contribute some great stuff to this forum - plus you are in the hall of fame here man!! :) (congrats on #1, BTW)
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