VB.net连接SAP实例(vb.net写法)
上一篇简单写了vb6.0中访问SAP， 本篇用vb.net实现同样的功能，只是把读取出来的内容存放在数据库中，然后利用GridView显示出来。 当然可以直接存入DataTable或DataSet中直接显示出来。以下见代码示例：
Imports System
Imports System.Collections.Generic
Imports System.ComponentModel
Imports System.Data
Imports System.Drawing
Imports System.Text
Imports System.Windows.Forms
Imports System.Data.OleDb
Imports System.Xml
Public Class SAPConn
Public oFunction As Object ' SAP Functions
Public oConnection As Object ' SAP oConnection
Dim cmd As OleDbCommand
Dim SqlAd As OleDbDataAdapter
Dim sql As String
'测试连接的代码
Private Sub BtnConnn_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BtnConnn.Click
Try
oFunction = CreateObject("SAP.Functions.unicode")
oConnection = oFunction.Connection
oConnection.User = "CRMDEV69"
oConnection.Password = "654321"
oConnection.System = "CD2"
oConnection.ApplicationServer = "172.18.95.173"
oConnection.SystemNumber = 7
oConnection.Client = "164"
oConnection.Language = "ZH"
If oConnection.Logon(0, True) = True Then
MsgBox("连接成功！")
Else
MsgBox("连接失败！")
End If
Catch ex As Exception
MsgBox(ex.ToString(), MsgBoxStyle.Information, "提示")
Return
End Try
End Sub
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim GetCustomers As Object
Dim Customers As Object
Dim i As Integer
Dim sqlstr As String = ""
' 通过RFC接口远程运行SAP内部函数ZCSMS_GET_HRINFO
' 赋要调用的SAP内建函数名
Try
GetCustomers = oFunction.Add("ZCSMS_GET_HRINFO")
'设置输入参数并赋值
GetCustomers.Exports("BEGDAFROM") = ""
GetCustomers.Exports("BEGDATO") = ""
GetCustomers.Exports("MILL") = "7960"
GetCustomers.Exports("NUMBERFROM") = "0061500001"
GetCustomers.Exports("NUMBERTO") = "0061500200"
Customers = GetCustomers.Tables("THR")
If GetCustomers.Call Then
'循环插入到数据库表中
For i = 1 To Customers.RowCount
sqlstr = "Insert into ghy_employee(MILL, PERNR, NAME1, STEXT) values ('" & Customers(i, "MILL") & "','" & Customers(i, "PERNR") & "','" & Customers(i, "NAME1") & "','" & Customers(i, "STEXT") & "' )"
Config.ExecAccess(sqlstr)
Next i
MsgBox("获取数据成功")
Else
MsgBox(" 搜索出错! 出错信息: " + GetCustomers.exception)
End If
Catch ex As Exception
MsgBox(ex.ToString)
Return
End Try
End Sub
'通过GridView显示数据
Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
sql = "select * from ghy_employee "
SqlAd = New OleDbDataAdapter(sql, oConn)
DS.Clear()
If DS.Tables.Contains("ghy_employee") Then
DS.Tables.Remove("ghy_employee")
End If
SqlAd.Fill(DS, "ghy_employee")
DvInvoice.DataSource = DS.Tables("ghy_employee").DefaultView
DvInvoice.Refresh()
DvInvoice.ClearSelection()
DvInvoice.Columns("MILL").HeaderText = "工厂"
DvInvoice.Columns("PERNR").HeaderText = "员工编号"
DvInvoice.Columns("NAME1").HeaderText = "员工姓名"
DvInvoice.Columns("STEXT").HeaderText = "员工部门"
End Sub
End Class
以上两种写法都是利用创建组件OCX的方式进行， 通过调用类的方法进行也可以实现。 缺点是中文无法正常显示。
下一篇文章将贴出C#的例子以研究。
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