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vb.net datatable

Posted on 2006-10-30
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Last Modified: 2010-04-23
I have a problem with a datatable.

I want to pick the table by name, but it will not work, I can do it with an index though.

getDataSet returns a dataset

        myDataSet = myDB.getDataSet("select * from results")
        myDataTable = myDataSet.Tables(0)  'This does work

        myDataSet = myDB.getDataSet("select * from results")
        myDataTable = myDataSet.Tables("results")   'This does not work
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Question by:jackjohnson44
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4 Comments
 
LVL 17

Expert Comment

by:ZeonFlash
ID: 17837810
You have to specifically assign the name of a datatable before you can reference it by name:

myDataSet = myDB.getDataSet("select * from results")
myDataSet.Tables(0).TableName = "results"
myDataTable = myDataSet.Tables("results")
0
 

Author Comment

by:jackjohnson44
ID: 17837826
thanks, how would there ever be a table without the index 0?

how could I get 2 tables in the dataset?
So 0 would be the results table and 1 would be some other table?
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LVL 17

Accepted Solution

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ZeonFlash earned 1000 total points
ID: 17838598
To get 2 DataTables, you'd need 2 SELECT statements, e.g.:  "select * from results select * from other_table".  That would give you the "results" tables as myDataSet.Tables(0), and the "other_table" as myDataSet.Tables(1).  
0
 

Author Comment

by:jackjohnson44
ID: 17842134
thanks a lot, one more quick one

is there a way to not use an index?
I feel like there could be a possibility that it could change sometime.
Is there a way to call the table by its name?
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