CreateParameter Method (MySqlCommand)

In This Topic

Creates a new instance of a MySqlParameter object.

Syntax

Visual Basic
C#

'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.

csharp

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();
  }
}

Visual Basic

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

Reference

MySqlCommand Class
MySqlCommand Members
Parameters Property
MySqlParameter Class

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