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dynamically created datagridview columns unset even after data source set

In the following code I retrieve data from a stored procedure that
returns multiple resultsets (the results of the stored procedure have
been stored in a datareader called reader). On each iteration a tab
page is added to a tab control and a datagridview is created on that
the tab page. In the first iteration I can set all the values with no
problems, however on the next iteration, even though there is
definitely data in the data source, no columns are created and thusly
my application crashes when I attempt to access the columns property.
Can anyone help ???

While Not reader.IsClosed AndAlso reader.HasRows
dtDetails = New
jeopardyDataSet.Aggregate_Calculated_Port_StatsDat aTable
tabDetails =
tctlDetails.TabPages(tctlDetails.TabPages.Count - 1)
dgvDetails = New DataGridView()
dgvDetails.Location = New System.Drawing.Point(80,
dgvDetails.Width = 100
dgvDetails.Visible = True
dgvDetails.AllowUserToAddRows = False
dgvDetails.AllowUserToDeleteRows = False
dgvDetails.DataSource = dtDetails
dgvDetails.Dock = DockStyle.Fill
dgvDetails.Columns("MSC_KEY").Visible = False
'dgvDetails.Columns("MSC_NAME").Visible = False
End While
Loop While Not reader.IsClosed AndAlso reader.NextResult

Mar 28 '06 #1
0 1028

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