示例
Public Sub CreateOleDbParameter()
Dim myParameter As New OleDbParameter()
myParameter.ParameterName = "Description"
myParameter.OleDbType = OleDbType.VarChar
myParameter.Direction = ParameterDirection.Output
myParameter.Size = 88
Dim myParameter As OleDbParameter = New OleDbParameter("Description", "Beverages")
Dim myValue As String = "12 foot scarf - multiple colors, one previous owner"
Dim myParameter As New OleDbParameter("Description", OleDbType.VarChar)
myParameter.Direction = ParameterDirection.Output
myParameter.Size = myValue.Length
myParameter.Value = myValue
Dim myParameter As New OleDbParameter("Description", OleDbType.VarChar, 88)
myParameter.SourceColumn = "Description"
myParameter.SourceVersion = DataRowVersion.Current
Dim myParameter As New OleDbParameter("Description", OleDbType.VarChar, 88)
myParameter.Direction = ParameterDirection.Output
Dim myParameter As New OleDbParameter("Description", OleDbType.VarChar, 88, "Description")
myParameter.Direction = ParameterDirection.Output
Dim myParameter As New OleDbParameter("Description", OleDbType.VarChar, 11, ParameterDirection.Output, True, 0, 0, "Description", DataRowVersion.Current, "garden hose")
End Sub
创建参数后需要将其添加至相应命令或存储过程的参数集中
