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Create a new Column in SQL-Database-GridView

Posted By:      Posted Date: October 07, 2010    Points: 0   Category :ASP.Net

Hi everybody,

at this time I try to  connect to a SQL-Database with ASP.net.

That works very well with DataGrid, but I want to add a new Column to the DataGrid with the number of the database rows.

The column have to be the first Column of DataGrid.

I want to create a function (with for-loop) to count the number of the row of a DataGrid and write it into DataGrid's first Column.

The number of Rows gets the DataGrid by the SQL-Database.

The SQL Database shouldn't get a new Column. I just want to create the column dynamically.

How could I realize this ? 


Here you can see my SourceCode:

Dim connStr As String = "server=WU900136\SQLEXPRESS; database=GT; Trusted_Connection=yes"
    Dim conn As New SqlConnection(connStr)

    Sub Page_Load(ByVal Sender As Object, ByVal E As EventArgs)
    End Sub
    Private Dataset As DataSet

    Sub rData()
        'Read Data
        Dim sql As String = "SELECT Bezeichnung Thema, starttermin Beginn, endtermin Ende From GR_Seminare, Gr_Termine WHERE Gr_Seminare.SemId=Gr_Termine.SemId"
        Dim cmd As New SqlCommand(sql, conn)
        Dim DataReader As SqlDataReader
        DataReader = cmd.E

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