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How To Programmatically Access the DataSet Created by a SQLDataSource

Posted on 2006-06-07
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Last Modified: 2008-01-09
I noticed that when you use a SQLDataSource it will automatically do the sorting  on the GridView for you which is great.  I was  however unable to figure out a way to add an Filtering expression to the SQLDataSource's dataView so that I could filter the returned data without using a SQLDataAdapter ---> dataSet ---> dataView, etc.

Using the SQLDataAdapter solved the filtering problem but then I lost the automatic sorting on the GridView Columns provided by the SQLDataSource so now I'm basically, trying to combine two different methods to cut down on the code I have to write.

If I stick with the SQLDataAdapter I'll have to write code to figure out which column the user clicked on and wants to sort.  Any suggestions on ways to do this?

My preferred solution however is to programatically access the dataSet created by the SQLDataSource and simply filter on that and I would expect all of my problems will be solved.

Does anyone see a problem with this apporach and/or have suggestions on how to go about actually writing the code to accomplish this?

Thanks in Advance (TIA)
-Mari
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Question by:Mariyam
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by:e1v
ID: 16860230
First, I do not know how to access the dataset created by SqlDataSource.

However, you should be able to have automatic sorting abilities in the gridview when using a FilterExpression on a SqlDataSource. (The DataSourceMode of the SqlDataSource must be DataSet)

For example, if I have a GridView bound to SqlDataSource1, I can do this

SqlDataSource1.FilterExpression = "CustomerId > 100";

and the column sorting still works fine.
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by:Mariyam
ID: 16890717
Hi,

I found the answer here on the Experts-Exchange.

I have dv declared globally and included the following line in the page_load !IsPostBack

            this.dv = (DataView)SqlDataSource1.Select(DataSourceSelectArguments.Empty);

I have another question that I'm getting ready to post concerning the best way to get my date values to order properly.  They don't sort correctly when I convert them from actual date values to char(8) values so that they display without the time.

I'll ask the Administrator to close out this questions.  Thanks.
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