SqlStatementCollection Class

In This Topic

Represents collection of statements that constitute SQLite script.

Syntax

Visual Basic
C#

'Declaration
 
Public Class SqlStatementCollection 
   Inherits System.Collections.CollectionBase
   Implements System.Collections.ICollection, System.Collections.IEnumerable, System.Collections.IList

public class SqlStatementCollection : System.Collections.CollectionBase, System.Collections.ICollection, System.Collections.IEnumerable, System.Collections.IList

Remarks

The collection is read-only. You can not add your own SqlStatement objects or remove them.

SqlStatementCollection is used to execute statements in a script one by one. To populate the collection with data use DbScript.Statements property.

Example

This sample shows how to retrieve collection of statements that make up the script and execute them one by one.

csharp

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";
SQLiteConnection sqConn = new SQLiteConnection(
    "DataSource=mydatabase.db;");
SQLiteScript sqScript = new SQLiteScript(script,sqConn);
SqlStatementCollection sqColl = sqScript.Statements;
IDataReader sqReader;
sqConn.Open();
foreach (SqlStatement sqStatement in sqColl)
{
  Console.WriteLine(sqStatement.Text);
  try
  {
    sqReader = sqStatement.Execute();
    Console.WriteLine("  Records affected " + sqReader.RecordsAffected); 
    while (sqReader.Read()) 
    { 
      Console.WriteLine(sqReader.GetString(0)); 
    } 
    sqReader.Close(); 
    Console.WriteLine();
  }
  catch
  {
    Console.WriteLine("  Failed");
  }
}
sqConn.Close();

Visual Basic

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 sqConn As SQLiteConnection = New SQLiteConnection( _
    "DataSource=mydatabase.db;")
Dim sqScript As SQLiteScript = New SQLiteScript(script, sqConn)
Dim sqColl As SqlStatementCollection = sqScript.Statements
Dim sqReader As IDataReader
sqConn.Open()
For Each sqStatement As SqlStatement In sqColl
  Console.WriteLine(sqStatement.Text)
  Try
    sqReader = sqStatement.Execute()
    Console.WriteLine("  Records affected " & sqReader.RecordsAffected)
    While sqReader.Read()
      Console.WriteLine(sqReader.GetString(0))
    End While
    sqReader.Close()
    Console.WriteLine()
  Catch ex As Exception
    Console.WriteLine("  Failed")
  End Try
Next sqStatement
sqConn.Close()

Inheritance Hierarchy

System.Object
System.Collections.CollectionBase
Devart.Common.SqlStatementCollection

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

SqlStatementCollection Members
Devart.Common Namespace
Statements Property

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