в 16:40, 26 мая 2010

2010-05-26T16:40:06Z

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2010-05-26T12:44:53Z

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==Call Store Procedure in Access Database==

<source lang="vbnet">
Imports System
Imports System.Data
Imports System.Data.OleDb
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 Form1()
Application.Run(form1)
End Sub
End Class

Public Class Form1
"Form level variables
Private strConnectionString As String = _
"Provider=Microsoft.Jet.OLEDB.4.0;" & _
"Data Source=Employee.mdb;"
Private objConnection As OleDbConnection
Private objCommand As OleDbCommand
Private objDataAdapter As OleDbDataAdapter
Private objDataSet As DataSet
Private Sub PopulateGrid()
"Initialize a new instance of the OleDbDataAdapter class
objDataAdapter = New OleDbDataAdapter
"Initialize a new instance of the DataSet class
objDataSet = New DataSet
"Set the SelectCommand for the OleDbDataAdapter
objDataAdapter.SelectCommand = objCommand
Try
"Populate the DataSet
objDataAdapter.Fill(objDataSet, "Employee")
"Bind the DataSet to the DataGrid
grdResults.DataSource = objDataSet
grdResults.DataMember = "Employee"
"Set the CellBorderStyle property
grdResults.CellBorderStyle = DataGridViewCellBorderStyle.None
"Set the SelectionMode property
grdResults.SelectionMode = DataGridViewSelectionMode.FullRowSelect
"Set the AutoSizeColumnsMode property
grdResults.AutoSizeColumnsMode = _
DataGridViewAutoSizeColumnsMode.AllCells
"Right align SequenceNumber column
grdResults.Columns("ID").DefaultCellStyle.Alignment = _
DataGridViewContentAlignment.MiddleRight
Catch OleDbException As OleDbException
MessageBox.Show(OleDbException.Message, "Access Queries")
End Try
"Cleanup
objCommand.Dispose()
objCommand = Nothing
objDataAdapter.Dispose()
objDataAdapter = Nothing
objDataSet.Dispose()
objDataSet = Nothing
objConnection.Dispose()
objConnection = Nothing
End Sub
Private Sub btnNonParameterQuery_Click(ByVal sender As Object, _
ByVal e As System.EventArgs) Handles btnNonParameterQuery.Click
"Initialize a new instance of the OleDbConnection class
objConnection = New OleDbConnection(strConnectionString)
"Initialize a new instance of the OleDbCommand class
objCommand = New OleDbCommand
"Set the objCommand object properties
objCommand.rumandText = "StoreProcedureForEmployee"
objCommand.rumandType = CommandType.StoredProcedure
objCommand.Connection = objConnection
"Populate the DataGridView
Call PopulateGrid()
End Sub
End Class

<Global.Microsoft.VisualBasic.rupilerServices.DesignerGenerated()> _
Partial Public Class Form1
Inherits System.Windows.Forms.Form
"Form overrides dispose to clean up the component list.
<System.Diagnostics.DebuggerNonUserCode()> _
Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
If disposing AndAlso components IsNot Nothing Then
components.Dispose()
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.
<System.Diagnostics.DebuggerStepThrough()> _
Private Sub InitializeComponent()
Me.grdResults = New System.Windows.Forms.DataGridView
Me.btnNonParameterQuery = New System.Windows.Forms.Button
CType(Me.grdResults, System.ruponentModel.ISupportInitialize).BeginInit()
Me.SuspendLayout()
"
"grdResults
"
Me.grdResults.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.grdResults.Location = New System.Drawing.Point(0, 73)
Me.grdResults.Name = "grdResults"
Me.grdResults.Size = New System.Drawing.Size(415, 115)
Me.grdResults.TabIndex = 6
"
"btnNonParameterQuery
"
Me.btnNonParameterQuery.Anchor = CType((System.Windows.Forms.AnchorStyles.Top Or System.Windows.Forms.AnchorStyles.Right), System.Windows.Forms.AnchorStyles)
Me.btnNonParameterQuery.Location = New System.Drawing.Point(292, 12)
Me.btnNonParameterQuery.Name = "btnNonParameterQuery"
Me.btnNonParameterQuery.Size = New System.Drawing.Size(123, 23)
Me.btnNonParameterQuery.TabIndex = 5
Me.btnNonParameterQuery.Text = "Non-Parameter Query"
"
"Form1
"
Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 13.0!)
Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font
Me.ClientSize = New System.Drawing.Size(416, 189)
Me.Controls.Add(Me.grdResults)
Me.Controls.Add(Me.btnNonParameterQuery)
Me.Name = "Form1"
Me.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen
Me.Text = "Access Queries"
CType(Me.grdResults, System.ruponentModel.ISupportInitialize).EndInit()
Me.ResumeLayout(False)
Me.PerformLayout()
End Sub
Friend WithEvents grdResults As System.Windows.Forms.DataGridView
Friend WithEvents btnNonParameterQuery As System.Windows.Forms.Button
End Class

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

==Pass Parameters into Store Procedure==

<source lang="vbnet">
Imports System
Imports System.Data
Imports System.Data.OleDb
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 Form1()
Application.Run(form1)
End Sub
End Class

Public Class Form1
"Form level variables
Private strConnectionString As String = _
"Provider=Microsoft.Jet.OLEDB.4.0;" & _
"Data Source=Employee.mdb;"
Private objConnection As OleDbConnection
Private objCommand As OleDbCommand
Private objDataAdapter As OleDbDataAdapter
Private objDataSet As DataSet
Private Sub PopulateGrid()
"Initialize a new instance of the OleDbDataAdapter class
objDataAdapter = New OleDbDataAdapter
"Initialize a new instance of the DataSet class
objDataSet = New DataSet
"Set the SelectCommand for the OleDbDataAdapter
objDataAdapter.SelectCommand = objCommand
Try
"Populate the DataSet
objDataAdapter.Fill(objDataSet, "Employee")
"Bind the DataSet to the DataGrid
grdResults.DataSource = objDataSet
grdResults.DataMember = "Employee"
"Set the CellBorderStyle property
grdResults.CellBorderStyle = DataGridViewCellBorderStyle.None
"Set the SelectionMode property
grdResults.SelectionMode = DataGridViewSelectionMode.FullRowSelect
"Set the AutoSizeColumnsMode property
grdResults.AutoSizeColumnsMode = _
DataGridViewAutoSizeColumnsMode.AllCells
"Right align SequenceNumber column
grdResults.Columns("ID").DefaultCellStyle.Alignment = _
DataGridViewContentAlignment.MiddleRight
Catch OleDbException As OleDbException
MessageBox.Show(OleDbException.Message, "Access Queries")
End Try
"Cleanup
objCommand.Dispose()
objCommand = Nothing
objDataAdapter.Dispose()
objDataAdapter = Nothing
objDataSet.Dispose()
objDataSet = Nothing
objConnection.Dispose()
objConnection = Nothing
End Sub
Private Sub btnNonParameterQuery_Click(ByVal sender As Object, _
ByVal e As System.EventArgs) Handles btnNonParameterQuery.Click

"Initialize a new instance of the OleDbConnection class
objConnection = New OleDbConnection(strConnectionString)
"Initialize a new instance of the OleDbCommand class
objCommand = New OleDbCommand
"Set the objCommand object properties
objCommand.rumandText = "StoreProcedureForEmployee"
objCommand.rumandType = CommandType.StoredProcedure
objCommand.Connection = objConnection
"Add the required parameter for the query
objCommand.Parameters.Add("@ID", OleDbType.TinyInt, 8).Value = 1
"Populate the DataGridView
Call PopulateGrid()
End Sub
End Class

<Global.Microsoft.VisualBasic.rupilerServices.DesignerGenerated()> _
Partial Public Class Form1
Inherits System.Windows.Forms.Form
"Form overrides dispose to clean up the component list.
<System.Diagnostics.DebuggerNonUserCode()> _
Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
If disposing AndAlso components IsNot Nothing Then
components.Dispose()
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.
<System.Diagnostics.DebuggerStepThrough()> _
Private Sub InitializeComponent()
Me.grdResults = New System.Windows.Forms.DataGridView
Me.btnNonParameterQuery = New System.Windows.Forms.Button
CType(Me.grdResults, System.ruponentModel.ISupportInitialize).BeginInit()
Me.SuspendLayout()
"
"grdResults
"
Me.grdResults.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.grdResults.Location = New System.Drawing.Point(0, 73)
Me.grdResults.Name = "grdResults"
Me.grdResults.Size = New System.Drawing.Size(415, 115)
Me.grdResults.TabIndex = 6
"
"btnNonParameterQuery
"
Me.btnNonParameterQuery.Anchor = CType((System.Windows.Forms.AnchorStyles.Top Or System.Windows.Forms.AnchorStyles.Right), System.Windows.Forms.AnchorStyles)
Me.btnNonParameterQuery.Location = New System.Drawing.Point(292, 12)
Me.btnNonParameterQuery.Name = "btnNonParameterQuery"
Me.btnNonParameterQuery.Size = New System.Drawing.Size(123, 23)
Me.btnNonParameterQuery.TabIndex = 5
Me.btnNonParameterQuery.Text = "Non-Parameter Query"
"
"Form1
"
Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 13.0!)
Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font
Me.ClientSize = New System.Drawing.Size(416, 189)
Me.Controls.Add(Me.grdResults)
Me.Controls.Add(Me.btnNonParameterQuery)
Me.Name = "Form1"
Me.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen
Me.Text = "Access Queries"
CType(Me.grdResults, System.ruponentModel.ISupportInitialize).EndInit()
Me.ResumeLayout(False)
Me.PerformLayout()
End Sub
Friend WithEvents grdResults As System.Windows.Forms.DataGridView
Friend WithEvents btnNonParameterQuery As System.Windows.Forms.Button
End Class

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

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VB.Net/Database ADO.net/OleDb Store Procedure - История изменений

в 16:40, 26 мая 2010

Admin: 1 версия