CreateParameter Method (SQLiteCommand)

In This Topic

Creates a new instance of a SQLiteParameter object.

Syntax

Visual Basic
C#

'Declaration
 
Public Shadows Function CreateParameter() As SQLiteParameter

public new SQLiteParameter CreateParameter()

Return Value

A SQLiteParameter object.

Remarks

This method is a strongly-typed version of System.Data.IDbCommand.CreateParameter. See SQLiteParameter 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(SQLiteConnection sqConnection)
{
  SQLiteCommand sqCommand = new SQLiteCommand("SELECT * FROM Dept WHERE DeptNo=:Deptno",sqConnection);
  SQLiteParameter myParam = sqCommand.CreateParameter();
  myParam.SQLiteType = Devart.Data.SQLite.SQLiteType.Int32;
  myParam.Value = 10;
  myParam.ParameterName = "Deptno";
  sqCommand.Parameters.Add(myParam);
  sqConnection.Open();
  SQLiteDataReader sqReader = null; 
  try
  {
    sqReader = sqCommand.ExecuteReader(); 
    while (sqReader.Read())
    {
      Console.WriteLine(sqReader.GetInt32(0) + ", " + sqReader.GetString(1) + ", " + sqReader.GetString(2));
    }
  }
  finally
  {
    sqReader.Close();
    sqConnection.Close();
  }
}

Visual Basic

Public Sub CreateParam(ByVal sqConnection As SQLiteConnection)
  Dim sqCommand As New SQLiteCommand("SELECT * FROM Dept WHERE DeptNo=:Deptno", sqConnection)
  Dim myParam As SQLiteParameter = sqCommand.CreateParameter()
  myParam.SQLiteType = Devart.Data.SQLite.SQLiteType.Int32
  myParam.Value = 10
  myParam.ParameterName = "Deptno"
  sqCommand.Parameters.Add(myParam)
  sqConnection.Open()
  Dim sqReader As SQLiteDataReader = Nothing
  Try
    sqReader = sqCommand.ExecuteReader()
    While sqReader.Read()
      Console.WriteLine(sqReader.GetInt32(0).ToString() + ", " _
        + sqReader.GetString(1) + ", " _
        + sqReader.GetString(2))
    End While
  Finally
    sqReader.Close()
    sqConnection.Close()
  End Try
End Sub

Reference

SQLiteCommand Class
SQLiteCommand Members
Parameters Property
SQLiteParameter Class

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