dotConnect for SQLite Documentation
Devart.Common Namespace / DbScript Class / Execute Method
Example

In This Topic
    Execute Method (DbScript)
    In This Topic
    Executes the script specified in ScriptText property.
    Syntax
    'Declaration
     
    Public Sub Execute() 
    public void Execute()
    Remarks

    Use Execute method to execute the script. Text of the script should be specified by ScriptText property.

    After execution of each individual statement the Progress event fires. If the statement has produced an error, event Error fires.

    Example
    This sample demonstrates how to execute script and retrieve information about execution flow using Progress and Error events.
    [STAThread]
    static void Main(string[] args)
    {
    string script =
    @"CREATE TABLE DEPT (
      DEPTNO INTEGER PRIMARY KEY,
      DNAME VARCHAR(14),
      LOC VARCHAR(13)
    );"+
      "INSERT INTO DEPT VALUES (10,'ACCOUNTING','NEW YORK');"+
      "INSERT INTO DEPT VALUES (20,'RESEARCH','DALLAS');"+
      "INSERT INTO DEPT VALUES (30,'SALES','CHICAGO');"+
      "INSERT INTO DEPT VALUES (40,'OPERATIONS','BOSTON');"+
      "SELECT * FROM DEPT";
          SQLiteConnection sqConn = new SQLiteConnection(
              "DataSource=mydatabase.db;");
          SQLiteScript sqScript = new SQLiteScript(script,sqConn);
          sqScript.Progress += new Devart.Common.ScriptProgressEventHandler(OnProgress);
          sqScript.Error += new Devart.Common.ScriptErrorEventHandler(OnError);
          sqConn.Open();
          sqScript.Execute();
          sqConn.Close();
        }
    
    static void OnProgress(object sender, Devart.Common.ScriptProgressEventArgs e)
    {
      Console.WriteLine(e.Text);
      Console.WriteLine("  Successfully executed.");
    }
    
    static void OnError(object sender, Devart.Common.ScriptErrorEventArgs e)
    {
      e.Ignore = true;
      Console.WriteLine(e.Text);
      Console.WriteLine("  Failed.");
    }
    Module Module1
    
      Friend WithEvents sqScript As Devart.Data.SQLite.SQLiteScript
    
      Sub Main()
        Dim script As String = _
    @"CREATE TABLE DEPT (" & _
                    "  DEPTNO INTEGER PRIMARY KEY," & _
                    "  DNAME VARCHAR(14)," & _
                    "  LOC VARCHAR(13)" & _
                    ");" & _"INSERT INTO DEPT VALUES (10,'ACCOUNTING','NEW YORK');" & _
      "INSERT INTO DEPT VALUES (20,'RESEARCH','DALLAS');" & _
      "INSERT INTO DEPT VALUES (30,'SALES','CHICAGO');" & _
      "INSERT INTO DEPT VALUES (40,'OPERATIONS','BOSTON');" & _
      "SELECT * FROM DEPT"
        Dim sqConn As SQLiteConnection = New SQLiteConnection( _
            "DataSource=mydatabase.db;")
        sqScript = New SQLiteScript(script, sqConn)
        sqConn.Open()
        sqScript.Execute()
        sqConn.Close()
        Console.ReadLine()
      End Sub
    
      Sub OnProgress(ByVal sender As Object, ByVal e As Devart.Common.ScriptProgressEventArgs) Handles sqScript.Progress
        Console.WriteLine(e.Text)
        Console.WriteLine("  Successfully executed.")
      End Sub
    
      Sub OnError(ByVal sender As Object, ByVal e As Devart.Common.ScriptErrorEventArgs) Handles sqScript.Error
        e.Ignore = True
        Console.WriteLine(e.Text)
        Console.WriteLine("  Failed.")
      End Sub
    
    End Module
    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