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Thread: [RESOLVED] Assigning new DataSource to DataGridView

  1. #1

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    Resolved [RESOLVED] Assigning new DataSource to DataGridView

    After correctly displaying data from one DataSource in my DataGridView I am assigning a different DataSource and calling the Refresh method but the new data is not rendering. I have confirmed new DataSource's dataset contains values. How can this be done?

    Initial load of DGV:

    Private Sub frmCodesetViewer_Load(sender As Object, e As System.EventArgs) Handles Me.Load
    Me.CodeDescriptionTableAdapter1().Fill(Me.DsCodesets.CodeDescription)

    Me.CodeValuesTableAdapter().Fill(Me.DsCodesetValues.DataTable1, "A1")
    DataGridView1.DataSource = DsCodesetValues.DataTable1

    Dim r As DataRow = Me.DsCodesets.CodeDescription.Rows(0)
    txtCSDesc.Text = r.Item("Description")
    ComboBox2.Text = "(no filter)"
    End Sub

    Changing data source:

    Private Sub ComboBox2_SelectedIndexChanged(sender As System.Object, e As System.EventArgs) Handles ComboBox2.SelectedIndexChanged
    'Dim filter As String = "%" & ComboBox2.SelectedValue & "%"
    Dim filter As String = "%" & "Least" & "%"
    Me.FilteredValuesTableAdapter1.Fill(Me.DsFilteredValues1.DataTable1, SelectedCodeset, filter)
    DataGridView1.DataSource = DsFilteredValues1
    DataGridView1.Refresh()

    Dim r As DataRow = Me.DsCodesets.CodeDescription.Rows(ComboBox1.SelectedIndex)
    txtCSDesc.Text = r.Item("Description")
    End Sub

    Bob
    Last edited by bobmc; Mar 13th, 2014 at 07:23 AM. Reason: adding code snippets

  2. #2
    Addicted Member thetimmer's Avatar
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    Re: Assigning new DataSource to DataGridView

    Is your DataGridView.AutoGenerateColumns = True ?
    Last edited by thetimmer; Mar 13th, 2014 at 07:54 AM.
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  3. #3

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    Re: Assigning new DataSource to DataGridView

    I have tried setting AutoGenerateColumns to True and also to False, neither worked. Also looked but Bind method does not exist. Could not figure out how to I could use the DataBindings method but this seems like overkill. Should be a straight forward solution I would think but it beats the hell outa me

  4. #4
    Addicted Member thetimmer's Avatar
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    Re: Assigning new DataSource to DataGridView

    Oh, in the line
    Code:
    DataGridView1.DataSource = DsFilteredValues1
    I think you meant
    Code:
    DataGridView1.DataSource = DsFilteredValues1.DataTable1
    _____________
    Tim

    If anyone's answer has helped you, please show your appreciation by rating that answer.
    When you get a solution to your issue remember to mark the thread Resolved.


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  5. #5

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    Re: Assigning new DataSource to DataGridView

    That did the trick! Not sure how I missed that. Thank you, Tim. Much appreciiated
    Bob

  6. #6
    Addicted Member thetimmer's Avatar
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    Re: Assigning new DataSource to DataGridView

    My pleasure. We've all done it in one way or the other on controls like DataGridViews where you can point it at different object types.
    Please mark the thread resolved.
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    Tim

    If anyone's answer has helped you, please show your appreciation by rating that answer.
    When you get a solution to your issue remember to mark the thread Resolved.


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