CreateParameter Method (UniCommand)
Creates a new instance of a
UniParameter object.
This sample shows how to create a parameter using
CreateParameter function.
Public void CreateParam(UniConnection myConnection)
{
UniCommand myCommand = new UniCommand("SELECT * FROM Test.Dept WHERE DeptNo=:Deptno",myConnection);
UniParameter myParam = myCommand.CreateParameter();
myParam.UniDbType = Devart.Data.Universal.UniDbType.Int;
myParam.Value = 10;
myParam.ParameterName = "Deptno";
myCommand.Parameters.Add(myParam);
myConnection.Open();
UniDataReader myReader = null;
try
{
myReader = myCommand.ExecuteReader();
while (myReader.Read())
{
Console.WriteLine(myReader.GetInt32(0) + ", " + myReader.GetString(1) + ", " + myReader.GetString(2));
}
}
finally
{
myReader.Close();
myConnection.Close();
}
}
Public Sub CreateParam(ByVal myConnection As UniConnection)
Dim myCommand As New UniCommand("SELECT * FROM Test.Dept WHERE DeptNo=:Deptno", myConnection)
Dim myParam As UniParameter = myCommand.CreateParameter()
myParam.UniDbType = Devart.Data.Universal.UniDbType.Int
myParam.Value = 10
myParam.ParameterName = "Deptno"
myCommand.Parameters.Add(myParam)
myConnection.Open()
Dim myReader As UniDataReader = Nothing
Try
myReader = myCommand.ExecuteReader()
While myReader.Read()
Console.WriteLine(myReader.GetInt32(0).ToString() + ", " _
+ myReader.GetString(1) + ", " _
+ myReader.GetString(2))
End While
Finally
myReader.Close()
myConnection.Close()
End Try
End Sub
Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2