Retrieve Data from a dataset

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Views: 26966 | Replies: 3

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Join Date: Apr 2004

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Tellie

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Retrieve Data from a dataset

Apr 27th, 2004

Hi All

I have created a dataset and from this I want to retrieve values of a column into a variable. How can I do this?

This is the code:

Dim sQuery As String = "Select PERMISSION_BUTTON_ID from ALC_SECURITY_PERMISSION where ROLE_ID = 1"

Response.Write(sQuery)

Dim myAdapter As OleDbDataAdapter = New OleDbDataAdapter(sQuery, connectionString)

Dim mySet As DataSet = New DataSet

myAdapter.Fill(mySet, "ALC_SECURITY_PERMISSION")

From the above code I need to retrieve all the values of PERMISSION_BUTTON_ID retrieved from the Select statement inot a variable.

Please help

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Join Date: Apr 2004

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Tellie

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Re: Retrieve Data from a dataset

Apr 27th, 2004

Ok now what I have done to this is:

Dim sQuery As String = "Select PERMISSION_BUTTON_ID from ALC_SECURITY_PERMISSION where ROLE_ID = 1"

'Response.Write(sQuery)

Dim myAdapter As OleDbDataAdapter = New OleDbDataAdapter(sQuery, connectionString)

Dim mySet As DataSet = New DataSet

myAdapter.Fill(mySet, "ALC_SECURITY_PERMISSION")

Dim permID As String

permID = mySet.GetXml.ToString()

But now I am not sure how to retrieve values from this?

Is this a correct approach?

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Join Date: May 2004

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srikkanthan srikkanthan is offline

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Re: Retrieve Data from a dataset

May 10th, 2004

I am not sure what exactly you want to do... Obviously by looping through
mySet.Tables(0).Rows(i)("PERMISSION_BUTTON_ID") you can get all button ids... right?!

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Join Date: Oct 2007

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injunraiv

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Re: Retrieve Data from a dataset

Oct 18th, 2007

I'm not sure this will help, as I'm a beginner at this language myself, but here's code I figured out last night for my program...

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                da.Fill(EmployeeData)
                OleDbConnection1.Close()

                Dim row As Data.DataRow
                Dim count As Integer = EmployeeData.Rows.Count
                Dim i As Integer = 0

                For i = 0 To count - 1
                    'vSeq = EmployeeData.Rows(i).Item("Seq")

What we're doing in this snippet is filling my 'EmployeeData' dataset, setting up a counter to loop through all the records, and putting the value of the column "Seq" into my vSeq variable.

Hope this helped...

Last edited by injunraiv : Oct 18th, 2007 at 9:28 am.