Mega Code Archive
ListView DataReader
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Imports System.Data.SqlClient
Imports System.Windows.Forms
<Global.Microsoft.VisualBasic.CompilerServices.DesignerGenerated()> _
Partial Class List
Inherits System.Windows.Forms.Form
<System.Diagnostics.DebuggerStepThrough()> _
Private Sub InitializeComponent()
Me.cmdClear = New System.Windows.Forms.Button
Me.cmdFill = New System.Windows.Forms.Button
Me.lvOrders = New System.Windows.Forms.ListView
Me.SuspendLayout()
'
Me.cmdClear.Anchor = CType((System.Windows.Forms.AnchorStyles.Bottom Or System.Windows.Forms.AnchorStyles.Right), System.Windows.Forms.AnchorStyles)
Me.cmdClear.Location = New System.Drawing.Point(206, 231)
Me.cmdClear.Size = New System.Drawing.Size(80, 24)
Me.cmdClear.TabIndex = 5
Me.cmdClear.Text = "Clear List"
'
Me.cmdFill.Anchor = CType((System.Windows.Forms.AnchorStyles.Bottom Or System.Windows.Forms.AnchorStyles.Left), System.Windows.Forms.AnchorStyles)
Me.cmdFill.Location = New System.Drawing.Point(10, 231)
Me.cmdFill.Size = New System.Drawing.Size(80, 24)
Me.cmdFill.TabIndex = 4
Me.cmdFill.Text = "Fill List"
'
Me.lvOrders.Anchor = CType((((System.Windows.Forms.AnchorStyles.Top Or System.Windows.Forms.AnchorStyles.Bottom) _
Or System.Windows.Forms.AnchorStyles.Left) _
Or System.Windows.Forms.AnchorStyles.Right), System.Windows.Forms.AnchorStyles)
Me.lvOrders.Location = New System.Drawing.Point(6, 11)
Me.lvOrders.Size = New System.Drawing.Size(280, 212)
Me.lvOrders.TabIndex = 3
Me.lvOrders.UseCompatibleStateImageBehavior = False
Me.lvOrders.View = System.Windows.Forms.View.Details
'
Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 13.0!)
Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font
Me.ClientSize = New System.Drawing.Size(292, 266)
Me.Controls.Add(Me.cmdClear)
Me.Controls.Add(Me.cmdFill)
Me.Controls.Add(Me.lvOrders)
Me.Font = New System.Drawing.Font("Tahoma", 8.25!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
Me.ResumeLayout(False)
End Sub
Friend WithEvents cmdClear As System.Windows.Forms.Button
Friend WithEvents cmdFill As System.Windows.Forms.Button
Friend WithEvents lvOrders As System.Windows.Forms.ListView
Private Sub cmdClear_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles cmdClear.Click
lvOrders.Clear()
End Sub
Private Sub cmdFill_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles cmdFill.Click
Dim Connect As String = "Data Source=localhost;Integrated Security=True;Initial Catalog=Northwind"
Dim con As New SqlConnection(Connect)
Dim SQLString As String = "SELECT * FROM Orders"
Dim cmd As New SqlCommand(SQLString, con)
con.Open()
Dim reader As SqlDataReader = cmd.ExecuteReader()
Dim i As Integer
For i = 0 To reader.FieldCount - 1
lvOrders.Columns.Add("Column " & (i + 1).ToString, 100, _
HorizontalAlignment.Left)
Next
Do While (reader.Read())
Dim NewItem As New ListViewItem()
NewItem.Text = reader(0)
For i = 1 To reader.FieldCount - 1
If reader(i) Is DBNull.Value Then
NewItem.SubItems.Add("")
Else
NewItem.SubItems.Add(reader(i).ToString)
End If
Next i
lvOrders.Items.Add(NewItem)
Loop
Dim Table As DataTable = reader.GetSchemaTable()
For j As Integer = 0 To Table.Rows.Count - 1
lvOrders.Columns(j).Text = Table.Rows(j)("ColumnName")
Next
reader.Close()
con.Close()
End Sub
End Class
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