Imports System.Data Imports System.Data.SqlClient Imports System.Data.SqlClient.SqlException Public Class connect Private s As String Private s1 As String Public Connect As New SqlConnection("server=Yiyang;database=KDERP;uid=sa;password=123") Sub New() Connect.Open() End Sub Public Property sql() Get Return s End Get Set(ByVal Value) s = Value End Set End Property 'Public Property table() ' Get ' Return s1 ' End Get ' Set(ByVal Value) ' s1 = Value
'End Property Public Function Retable() As DataTable
Dim com As New DataSet()
Dim ada As New SqlDataAdapter() Dim com1 As New SqlCommand() com1.Connection = Connect com1.CommandText = s ada.SelectCommand = com1 ada.Fill(com, "t1") Return com.Tables(0)
End Function Public Function Exec() As Integer Dim i As Integer
Dim com As New SqlCommand() com.CommandText = s com.Connection = Connect i = com.ExecuteNonQuery() Return i End Function Public Function Retdataset(ByVal t As String) As DataSet
Dim com As New SqlCommand() com.Connection = Connect com.CommandText = s Dim ada As New SqlDataAdapter() ada.SelectCommand = com Dim da As New DataSet() ada.Fill(da, t) Return da End Function Public Function Retdataread() As SqlDataReader
Dim com As New SqlCommand() com.Connection = Connect com.CommandText = s Return com.ExecuteReader End Function End Class
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