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Gridview sort based on [SortOrder] in the SQL

Posted on 2014-07-17
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Last Modified: 2014-07-20
GW1 gets data from a stored procedure with SQL like "Select SortOrder, F1, F2 From Table1 Order By SortOrder;".

Question: How can I force this gridview to display per SortOrder field?

The field [SortOrder] will not displayed on the GW1. There is no need for additional sort after the page is displayed.

Sort order remains frozen.; I am using Visual Studio 2010, c#.

I wonder something like this could be salvaged to do the job:
protected void gvItems_Sorting(object sender, GridViewSortEventArgs e)
{
    GridView gv = (GridView)sender;
    SqlDataSource ds = (SqlDataSource)gv.DataSource;
    ds.SelectCommand = ds.SelectCommand + " order by " 
        + e.SortExpression + " ASC ";
    gvItems.DataSource = ds;
    gvItems.DataBind();
}

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' not sure how to tailor this to work with my application. I got this from:  stackoverflow.com/questions/138412/how-to-sort-columns-in-an-asp-net-gridview-if-using-a-custom-datasource

Thank you.
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Question by:Mike Eghtebas
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6 Comments
 
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by:AndyAinscow
ID: 40203940
A GridView should have a property - AllowSorting - if you set it to false (properties, design view) then you should not need to do anything.

See:
http://msdn.microsoft.com/en-us/library/hwf94875%28VS.80%29.aspx
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LVL 33

Author Comment

by:Mike Eghtebas
ID: 40203997
re:>  AllowSorting - if you set it to false

I did that but it is not sorting per Order By m.[SortOrder] field included in the stored proc SQL.

BTW, the field [SortOrder] is not displayed in the gridview because there is no need to see it. Does this effect the outcome?

Thanks,

Mike
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LVL 44

Expert Comment

by:AndyAinscow
ID: 40204026
>>SQL like "Select SortOrder, F1, F2 From Table1 Order By SortOrder;".

that query should return 3 fields (SortOrder, F1, F2) and sorted on the first field.  Are you saying that only 2 fields are returned and the records are not sorted ?
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AndyAinscow earned 500 total points
ID: 40204027
>>BTW, the field [SortOrder] is not displayed in the gridview because there is no need to see it. Does this effect the outcome?

No, sorting the underlying data source does not require the fields the sort uses to be returned.  (Unlike sorting at the grid when they must be returned, else how could the grid access them to sort by?)
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LVL 33

Author Comment

by:Mike Eghtebas
ID: 40204040
re> that query should return 3 fields (SortOrder, F1, F2) and sorted on the first field.  Are you saying that only 2 fields are returned and the records are not sorted ?

Yes. I have include [SortOrder] intentionally in the SQL other than in Order By SortOrder, to make sure it would work. Unless we find a way to do via the property sheet, is it possible to put together a simplified version of the code in my original post to do the job?

Thank you,

Mike
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LVL 33

Author Comment

by:Mike Eghtebas
ID: 40204045
My bad, I ran a query on the table in SQL Server and found the problem.

Mike
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