Execute Method (DbScript)

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Executes the script specified in ScriptText property.

Syntax

Visual Basic
C#


'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.

csharp


[STAThread] static void Main(string[] args) { string script = "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"; MongoDBConnection mongoDBConn = new MongoDBConnection( "Host=localhost;Port=27017;Database=sample;User Id=user;Password=pwd;"); MongoDBScript mongoDBScript = new MongoDBScript(script,mongoDBConn); mongoDBScript.Progress += new Devart.Common.ScriptProgressEventHandler(OnProgress); mongoDBScript.Error += new Devart.Common.ScriptErrorEventHandler(OnError); mongoDBConn.Open(); mongoDBScript.Execute(); mongoDBConn.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."); }

[STAThread]
static void Main(string[] args)
{
string script =

  "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";
      MongoDBConnection mongoDBConn = new MongoDBConnection(
          "Host=localhost;Port=27017;Database=sample;User Id=user;Password=pwd;");
      MongoDBScript mongoDBScript = new MongoDBScript(script,mongoDBConn);
      mongoDBScript.Progress += new Devart.Common.ScriptProgressEventHandler(OnProgress);
      mongoDBScript.Error += new Devart.Common.ScriptErrorEventHandler(OnError);
      mongoDBConn.Open();
      mongoDBScript.Execute();
      mongoDBConn.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.");
}

Visual Basic


Module Module1 Friend WithEvents mongoDBScript As Devart.Data.MongoDB.MongoDBScript Sub Main() Dim script As String = _ "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 mongoDBConn As MongoDBConnection = New MongoDBConnection( _ "Host=localhost;Port=27017;Database=sample;User Id=user;Password=pwd;") mongoDBScript = New MongoDBScript(script, mongoDBConn) mongoDBConn.Open() mongoDBScript.Execute() mongoDBConn.Close() Console.ReadLine() End Sub Sub OnProgress(ByVal sender As Object, ByVal e As Devart.Common.ScriptProgressEventArgs) Handles mongoDBScript.Progress Console.WriteLine(e.Text) Console.WriteLine(" Successfully executed.") End Sub Sub OnError(ByVal sender As Object, ByVal e As Devart.Common.ScriptErrorEventArgs) Handles mongoDBScript.Error e.Ignore = True Console.WriteLine(e.Text) Console.WriteLine(" Failed.") End Sub End Module

Module Module1

  Friend WithEvents mongoDBScript As Devart.Data.MongoDB.MongoDBScript

  Sub Main()
    Dim script As String = _
"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 mongoDBConn As MongoDBConnection = New MongoDBConnection( _
        "Host=localhost;Port=27017;Database=sample;User Id=user;Password=pwd;")
    mongoDBScript = New MongoDBScript(script, mongoDBConn)
    mongoDBConn.Open()
    mongoDBScript.Execute()
    mongoDBConn.Close()
    Console.ReadLine()
  End Sub

  Sub OnProgress(ByVal sender As Object, ByVal e As Devart.Common.ScriptProgressEventArgs) Handles mongoDBScript.Progress
    Console.WriteLine(e.Text)
    Console.WriteLine("  Successfully executed.")
  End Sub

  Sub OnError(ByVal sender As Object, ByVal e As Devart.Common.ScriptErrorEventArgs) Handles mongoDBScript.Error
    e.Ignore = True
    Console.WriteLine(e.Text)
    Console.WriteLine("  Failed.")
  End Sub

End Module

Reference

DbScript Class
DbScript Members
ScriptText Property
ExecuteNext Method
Progress Event
Error Event

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