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Devart.Data.MySql Namespace / MySqlCommand Class / CreateParameter Method
Example

In This Topic
    CreateParameter Method (MySqlCommand)
    In This Topic
    Creates a new instance of a MySqlParameter object.
    Creates a new instance of a MySqlParameter object.
    Syntax
    'Declaration
     
    Public Shadows Function CreateParameter() As MySqlParameter
    public new MySqlParameter CreateParameter()

    Return Value

    A MySqlParameter object.
    Remarks
    This method is a strongly-typed version of System.Data.IDbCommand.CreateParameter. See MySqlParameter to find out more ways to create a parameter.
    Example
    This sample shows how to create a parameter using CreateParameter function.
    Public void CreateParam(MySqlConnection myConnection)
    {
      MySqlCommand myCommand = new MySqlCommand("SELECT * FROM Test.Dept WHERE DeptNo=:Deptno",myConnection);
      MySqlParameter myParam = myCommand.CreateParameter();
      myParam.MySqlType = Devart.Data.MySql.MySqlType.Int;
      myParam.Value = 10;
      myParam.ParameterName = "Deptno";
      myCommand.Parameters.Add(myParam);
      myConnection.Open();
      MySqlDataReader 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 MySqlConnection)
      Dim myCommand As New MySqlCommand("SELECT * FROM Test.Dept WHERE DeptNo=:Deptno", myConnection)
      Dim myParam As MySqlParameter = myCommand.CreateParameter()
      myParam.MySqlType = Devart.Data.MySql.MySqlType.Int
      myParam.Value = 10
      myParam.ParameterName = "Deptno"
      myCommand.Parameters.Add(myParam)
      myConnection.Open()
      Dim myReader As MySqlDataReader = 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
    Requirements

    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

    See Also