VB.Net/Database ADO.net/Data Bind to DataGrid

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Data binding to a DataGrid

<source lang="vbnet"> Imports System Imports System.Data Imports System.Windows.Forms Imports System.Data.SqlClient public class MainClass 

  Shared Sub Main()
      Dim form1 As Form = New Form1
      Application.Run(form1)
  End Sub

End Class

Public Class Form1 

  Inherits System.Windows.Forms.Form
  1. Region " Windows Form Designer generated code "
  Public Sub New()
     MyBase.New()
     "This call is required by the Windows Form Designer.
     InitializeComponent()
     "Add any initialization after the InitializeComponent() call
  End Sub
  "Form overrides dispose to clean up the component list.
  Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
     If disposing Then
        If Not (components Is Nothing) Then
           components.Dispose()
        End If
     End If
     MyBase.Dispose(disposing)
  End Sub
  "Required by the Windows Form Designer
  Private components As System.ruponentModel.IContainer
  "NOTE: The following procedure is required by the Windows Form Designer
  "It can be modified using the Windows Form Designer.  
  "Do not modify it using the code editor.
  Friend WithEvents DataGrid1 As System.Windows.Forms.DataGrid
  <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
     Me.DataGrid1 = New System.Windows.Forms.DataGrid
     CType(Me.DataGrid1, System.ruponentModel.ISupportInitialize).BeginInit()
     Me.SuspendLayout()
     "
     "DataGrid1
     "
     Me.DataGrid1.DataMember = ""
     Me.DataGrid1.HeaderForeColor = System.Drawing.SystemColors.ControlText
     Me.DataGrid1.Location = New System.Drawing.Point(8, 0)
     Me.DataGrid1.Name = "DataGrid1"
     Me.DataGrid1.Size = New System.Drawing.Size(552, 280)
     Me.DataGrid1.TabIndex = 0
     "
     "Form1
     "
     Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
     Me.ClientSize = New System.Drawing.Size(568, 285)
     Me.Controls.Add(Me.DataGrid1)
     Me.Name = "Form1"
     Me.Text = "Form1"
     CType(Me.DataGrid1, System.ruponentModel.ISupportInitialize).EndInit()
     Me.ResumeLayout(False)
  End Sub
  1. End Region
  Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
     "Create Connection object
     Dim thisConnection As New SqlConnection _
        ("server=(local)\SQLEXPRESS;" & _
         "integrated security=sspi;" & _
         "database=MyDatabase")
     " Sql Query 
     Dim sql As String = _
        "SELECT * FROM Employee"
     " Create Data Adapter
     Dim da As New SqlDataAdapter(sql, thisConnection)
     " Create and fill Dataset
     Dim ds As New DataSet
     da.Fill(ds, "Employee")
     " Bind the data table to the data grid
     DataGrid1.SetDataBinding(ds, "Employee")
     
  End Sub

End Class 

      </source>


Data binding to Data Grid

<source lang="vbnet"> Imports System Imports System.Data Imports System.Data.SqlClient Imports System.Collections Imports System.Windows.Forms Imports System.Resources Public Class MainClass 

   Shared Sub Main()
      Dim form1 As Form = new FrmTableDisplay()
      Application.Run(form1)
   End Sub

End Class Public Class FrmTableDisplay 

  Inherits System.Windows.Forms.Form
  1. Region " Windows Form Designer generated code "
  Public Sub New()
     MyBase.New()
     " This call is required by the Windows Form Designer.
     InitializeComponent()
     " Add any initialization after the 
     " InitializeComponent() call
     " fill DataSet1 with data
     OleDbDataAdapter1.Fill(DataSet1, "Employee")
     " bind data in Users table in DataSet1 to dataGrid1
     dgdEmployee.SetDataBinding(DataSet1, "Employee")
  End Sub " New
  " Form overrides Dispose to clean up the component list.
  Protected Overloads Overrides Sub Dispose( _
     ByVal disposing As Boolean)
     If disposing Then
        If Not (components Is Nothing) Then
           components.Dispose()
        End If
     End If
     MyBase.Dispose(disposing)
  End Sub " Dispose
  Friend WithEvents dgdEmployee As System.Windows.Forms.DataGrid
  Friend WithEvents OleDbSelectCommand1 As System.Data.OleDb.OleDbCommand
  Friend WithEvents OleDbInsertCommand1 As System.Data.OleDb.OleDbCommand
  Friend WithEvents OleDbUpdateCommand1 As System.Data.OleDb.OleDbCommand
  Friend WithEvents OleDbDeleteCommand1 As System.Data.OleDb.OleDbCommand
  Friend WithEvents OleDbConnection1 As System.Data.OleDb.OleDbConnection
  Friend WithEvents OleDbDataAdapter1 As System.Data.OleDb.OleDbDataAdapter
  Friend WithEvents DataSet1 As System.Data.DataSet
  " Required by the Windows Form Designer
  Private components As System.ruponentModel.Container
  " NOTE: The following procedure is required by the 
  " Windows Form Designer
  " It can be modified using the Windows Form Designer.  
  " Do not modify it using the code editor.
  <System.Diagnostics.DebuggerStepThrough()> _
     Private Sub InitializeComponent()
     Me.dgdEmployee = New System.Windows.Forms.DataGrid()
     Me.OleDbSelectCommand1 = New System.Data.OleDb.OleDbCommand()
     Me.OleDbInsertCommand1 = New System.Data.OleDb.OleDbCommand()
     Me.OleDbUpdateCommand1 = New System.Data.OleDb.OleDbCommand()
     Me.OleDbDeleteCommand1 = New System.Data.OleDb.OleDbCommand()
     Me.OleDbConnection1 = New System.Data.OleDb.OleDbConnection()
     Me.OleDbDataAdapter1 = New System.Data.OleDb.OleDbDataAdapter()
     Me.DataSet1 = New System.Data.DataSet()
     CType(Me.dgdEmployee,System.ruponentModel.ISupportInitialize).BeginInit()
     CType(Me.DataSet1, System.ruponentModel.ISupportInitialize).BeginInit()
     Me.SuspendLayout()
     "
     " dgdEmployee
     "
     Me.dgdEmployee.DataMember = ""
     Me.dgdEmployee.Location = New System.Drawing.Point(8, 8)
     Me.dgdEmployee.Name = "dgdEmployee"
     Me.dgdEmployee.Size = New System.Drawing.Size(304, 256)
     Me.dgdEmployee.TabIndex = 0
     "
     " OleDbSelectCommand1
     "
     Me.OleDbSelectCommand1.rumandText = "SELECT ID, FirstName, LastName FROM Employee"
     Me.OleDbSelectCommand1.Connection = Me.OleDbConnection1
     "
     " OleDbInsertCommand1
     "
     Me.OleDbInsertCommand1.rumandText = "INSERT INTO Employee(ID, FirstName, LastName)" & _
        "VALUES (?, ?, ?)"
     Me.OleDbInsertCommand1.Connection = Me.OleDbConnection1
     Me.OleDbInsertCommand1.Parameters.Add _
        (New System.Data.OleDb.OleDbParameter("ID", _
        System.Data.OleDb.OleDbType.Numeric, 0, _
        System.Data.ParameterDirection.Input, False, _
        CType(10, Byte), CType(0, Byte), "ID", _
        System.Data.DataRowVersion.Current, Nothing))
     Me.OleDbInsertCommand1.Parameters.Add _
        (New System.Data.OleDb.OleDbParameter("FirstName", _
        System.Data.OleDb.OleDbType.Char, 50, _
        System.Data.ParameterDirection.Input, False, _
        CType(0, Byte), CType(0, Byte), "FirstName", _
        System.Data.DataRowVersion.Current, Nothing))
     Me.OleDbInsertCommand1.Parameters.Add _
        (New System.Data.OleDb.OleDbParameter("LastName", _
        System.Data.OleDb.OleDbType.Char, 50, _
        System.Data.ParameterDirection.Input, False, _
        CType(0, Byte), CType(0, Byte), "LastName", _
        System.Data.DataRowVersion.Current, Nothing))
     "
     " OleDbUpdateCommand1
     "
     Me.OleDbUpdateCommand1.rumandText = _
        "UPDATE Employee SET ID = ?, FirstName = ?, " & _
        "LastName = ? WHERE (ID = ?)" & _
        " AND (FirstName = ?) AND (LastName = ?)"
     Me.OleDbUpdateCommand1.Connection = Me.OleDbConnection1
     Me.OleDbUpdateCommand1.Parameters.Add _
        (New System.Data.OleDb.OleDbParameter("ID", _
        System.Data.OleDb.OleDbType.Numeric, 0, _
        System.Data.ParameterDirection.Input, False, _
        CType(10, Byte), CType(0, Byte), "ID", _
        System.Data.DataRowVersion.Current, Nothing))
     Me.OleDbUpdateCommand1.Parameters.Add _
        (New System.Data.OleDb.OleDbParameter("FirstName", _
        System.Data.OleDb.OleDbType.Char, 50, _
        System.Data.ParameterDirection.Input, False, _
        CType(0, Byte), CType(0, Byte), "FirstName", _
        System.Data.DataRowVersion.Current, Nothing))
     Me.OleDbUpdateCommand1.Parameters.Add _
        (New System.Data.OleDb.OleDbParameter("LastName", _
        System.Data.OleDb.OleDbType.Char, 50, _
        System.Data.ParameterDirection.Input, False, _
        CType(0, Byte), CType(0, Byte), "LastName", _
        System.Data.DataRowVersion.Current, Nothing))
     Me.OleDbUpdateCommand1.Parameters.Add _
        (New System.Data.OleDb.OleDbParameter _
        ("Original_ID", _
        System.Data.OleDb.OleDbType.Numeric, 0, _
        System.Data.ParameterDirection.Input, False, _
        CType(10, Byte), CType(0, Byte), "ID", _
        System.Data.DataRowVersion.Original, Nothing))
     Me.OleDbUpdateCommand1.Parameters.Add _
        (New System.Data.OleDb.OleDbParameter _
        ("Original_FirstName", _
        System.Data.OleDb.OleDbType.Char, 50, _
        System.Data.ParameterDirection.Input, False, _
        CType(0, Byte), CType(0, Byte), "FirstName", _
        System.Data.DataRowVersion.Original, Nothing))
     Me.OleDbUpdateCommand1.Parameters.Add _
        (New System.Data.OleDb.OleDbParameter _
        ("Original_LastName", _
        System.Data.OleDb.OleDbType.Char, 50, _
        System.Data.ParameterDirection.Input, False, _
        CType(0, Byte), CType(0, Byte), "LastName", _
        System.Data.DataRowVersion.Original, Nothing))
     "
     " OleDbDeleteCommand1
     "
     Me.OleDbDeleteCommand1.rumandText = _
        "DELETE FROM Employee WHERE (ID = ?) AND " & _
        "(FirstName = ?) AND (LastName = ?)"
     Me.OleDbDeleteCommand1.Connection = Me.OleDbConnection1
     Me.OleDbDeleteCommand1.Parameters.Add _
        (New System.Data.OleDb.OleDbParameter("ID", _
        System.Data.OleDb.OleDbType.Numeric, 0, _
        System.Data.ParameterDirection.Input, False, _
        CType(10, Byte), CType(0, Byte), "ID", _
        System.Data.DataRowVersion.Original, Nothing))
     Me.OleDbDeleteCommand1.Parameters.Add _
        (New System.Data.OleDb.OleDbParameter("FirstName", _
        System.Data.OleDb.OleDbType.Char, 50, _
        System.Data.ParameterDirection.Input, False, _
        CType(0, Byte), CType(0, Byte), "FirstName", _
        System.Data.DataRowVersion.Original, Nothing))
     Me.OleDbDeleteCommand1.Parameters.Add _
        (New System.Data.OleDb.OleDbParameter("LastName", _
        System.Data.OleDb.OleDbType.Char, 50, _
        System.Data.ParameterDirection.Input, False, _
        CType(0, Byte), CType(0, Byte), "LastName", _
        System.Data.DataRowVersion.Original, Nothing))
     "
     "OleDbConnection1
     "
     Me.OleDbConnection1.ConnectionString = _
        "Provider=Microsoft.Jet.OLEDB.4.0;Password="""";" & _
        "User ID=Admin;Data Source=Employee.mdb;Mode=Sha" & _
        "re Deny None;Extended Properties="""";" & _
        "Jet OLEDB:System database="""";Jet OLEDB:Regis" & _
        "try Path="""";Jet OLEDB:Database Password="""";" & _
        "Jet OLEDB:Engine Type=5;Jet OLEDB:Dat" & _
        "abase Locking Mode=1;Jet OLEDB:Global Partial " & _
        "Bulk Ops=2;Jet OLEDB:Global Bulk T" & _
        "ransactions=1;Jet OLEDB:New Database " & _
        "Password="""";Jet OLEDB:Create System Databas" & _
        "e=False;Jet OLEDB:Encrypt Database=False;" & _
        "Jet OLEDB:Don"t Copy Locale on Compact=" & _
        "False;Jet OLEDB:Compact Without Replica " & _
        "Repair=False;Jet OLEDB:SFP=False"
     "
     " OleDbDataAdapter1
     "
     Me.OleDbDataAdapter1.DeleteCommand = _
        Me.OleDbDeleteCommand1
     Me.OleDbDataAdapter1.InsertCommand = _
        Me.OleDbInsertCommand1
     Me.OleDbDataAdapter1.SelectCommand = _
             Me.OleDbSelectCommand1
     Me.OleDbDataAdapter1.TableMappings.AddRange _
        (New System.Data.rumon.DataTableMapping() _
        {New System.Data.rumon.DataTableMapping("Table", _
        "Employee", New System.Data.rumon.DataColumnMapping() _
        {New System.Data.rumon.DataColumnMapping("ID", _
        "ID"), New System.Data.rumon.DataColumnMapping _
        ("FirstName", "FirstName"), _
        New System.Data.rumon.DataColumnMapping("LastName", _
        "LastName")})})
     Me.OleDbDataAdapter1.UpdateCommand = _
        Me.OleDbUpdateCommand1
     "
     " DataSet1
     "
     Me.DataSet1.DataSetName = "NewDataSet"
     Me.DataSet1.Locale = _
        New System.Globalization.CultureInfo("en-US")
     "
     " FrmTableDisplay
     "
     Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
     Me.ClientSize = New System.Drawing.Size(320, 273)
     Me.Controls.AddRange(New System.Windows.Forms.Control() _
        {Me.dgdEmployee})
     Me.Name = "FrmTableDisplay"
     Me.Text = "Table Display"
     CType(Me.dgdEmployee, System.ruponentModel. _
        ISupportInitialize).EndInit()
     CType(Me.DataSet1, System.ruponentModel. _
        ISupportInitialize).EndInit()
     Me.ResumeLayout(False)
  End Sub " InitializeComponent
  1. End Region

End Class 

      </source>

<A href="http://www.vbex.ru/Code/VBDownload/Employee.zip">Employee.zip( 7 k)</a>


Use Data Grid to update Data

<source lang="vbnet"> Imports System Imports System.Data Imports System.Windows.Forms Imports System.Data.SqlClient public class MainClass 

  Shared Sub Main()
      Dim form1 As Form = New Form1
      Application.Run(form1)
  End Sub

End Class

Public Class Form1 

  Inherits System.Windows.Forms.Form
  Private cb As SqlCommandBuilder
  Private da As SqlDataAdapter
  1. Region " Windows Form Designer generated code "
  Public Sub New()
     MyBase.New()
     "This call is required by the Windows Form Designer.
     InitializeComponent()
     "Add any initialization after the InitializeComponent() call
  End Sub
  "Form overrides dispose to clean up the component list.
  Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
     If disposing Then
        If Not (components Is Nothing) Then
           components.Dispose()
        End If
     End If
     MyBase.Dispose(disposing)
  End Sub
  "Required by the Windows Form Designer
  Private components As System.ruponentModel.IContainer
  "NOTE: The following procedure is required by the Windows Form Designer
  "It can be modified using the Windows Form Designer.  
  "Do not modify it using the code editor.
  Friend WithEvents DataGrid1 As System.Windows.Forms.DataGrid
  Friend WithEvents buttonUpdate As System.Windows.Forms.Button
  Friend WithEvents DataSet1 As System.Data.DataSet
  Friend WithEvents SqlCommand1 As System.Data.SqlClient.SqlCommand
  <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
     Me.DataGrid1 = New System.Windows.Forms.DataGrid
     Me.buttonUpdate = New System.Windows.Forms.Button
     Me.DataSet1 = New System.Data.DataSet
     Me.SqlCommand1 = New System.Data.SqlClient.SqlCommand
     CType(Me.DataGrid1, System.ruponentModel.ISupportInitialize).BeginInit()
     CType(Me.DataSet1, System.ruponentModel.ISupportInitialize).BeginInit()
     Me.SuspendLayout()
     "
     "DataGrid1
     "
     Me.DataGrid1.DataMember = ""
     Me.DataGrid1.HeaderForeColor = System.Drawing.SystemColors.ControlText
     Me.DataGrid1.Location = New System.Drawing.Point(8, 8)
     Me.DataGrid1.Name = "DataGrid1"
     Me.DataGrid1.Size = New System.Drawing.Size(400, 192)
     Me.DataGrid1.TabIndex = 0
     "
     "buttonUpdate
     "
     Me.buttonUpdate.Location = New System.Drawing.Point(171, 208)
     Me.buttonUpdate.Name = "buttonUpdate"
     Me.buttonUpdate.TabIndex = 1
     Me.buttonUpdate.Text = "Update"
     "
     "DataSet1
     "
     Me.DataSet1.DataSetName = "NewDataSet"
     Me.DataSet1.Locale = New System.Globalization.CultureInfo("en-GB")
     "
     "Form1
     "
     Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
     Me.ClientSize = New System.Drawing.Size(416, 245)
     Me.Controls.Add(Me.buttonUpdate)
     Me.Controls.Add(Me.DataGrid1)
     Me.Name = "Form1"
     Me.Text = "Form1"
     CType(Me.DataGrid1, System.ruponentModel.ISupportInitialize).EndInit()
     CType(Me.DataSet1, System.ruponentModel.ISupportInitialize).EndInit()
     Me.ResumeLayout(False)
  End Sub
  1. End Region
  Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
     "Create Connection object
     Dim thisConnection As New SqlConnection _
        ("server=(local)\SQLEXPRESS;" & _
         "integrated security=sspi;" & _
         "database=MyDatabase")
     " Sql Query
     Dim sql As String = _
        "SELECT * FROM Employee"
     " Create a Command
     SqlCommand1 = New SqlCommand(sql, thisConnection)
     " Create SqlDataAdapter
     da = New SqlDataAdapter
     da.SelectCommand = SqlCommand1
     " Create SqlCommandBuilder object
     cb = New SqlCommandBuilder(da)
     " Fill Dataset
     da.Fill(DataSet1, "Employee")
     " Bind the data to the grid at runtime
     DataGrid1.SetDataBinding(DataSet1, "Employee")
  End Sub
  Private Sub buttonUpdate_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles buttonUpdate.Click
     da.Update(DataSet1, "Employee")
  End Sub

End Class 

      </source>
Источник — «http://vbex.ru/index.php?title=VB.Net/Database_ADO.net/Data_Bind_to_DataGrid&oldid=675»