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SqlRowUpdatedEventArgs Class

 

Provides data for the RowUpdated event.

Namespace:   System.Data.SqlClient
Assembly:  System.Data (in System.Data.dll)

System.Object
  System.EventArgs
    System.Data.Common.RowUpdatedEventArgs
      System.Data.SqlClient.SqlRowUpdatedEventArgs

public sealed class SqlRowUpdatedEventArgs : RowUpdatedEventArgs

NameDescription
System_CAPS_pubmethodSqlRowUpdatedEventArgs(DataRow, IDbCommand, StatementType, DataTableMapping)

Initializes a new instance of the SqlRowUpdatedEventArgs class.

NameDescription
System_CAPS_pubpropertyCommand

Gets or sets the SqlCommand executed when Update is called.

System_CAPS_pubpropertyErrors

Gets any errors generated by the .NET Framework data provider when the Command was executed.(Inherited from RowUpdatedEventArgs.)

System_CAPS_pubpropertyRecordsAffected

Gets the number of rows changed, inserted, or deleted by execution of the SQL statement.(Inherited from RowUpdatedEventArgs.)

System_CAPS_pubpropertyRow

Gets the DataRow sent through an Update.(Inherited from RowUpdatedEventArgs.)

System_CAPS_pubpropertyRowCount

Gets the number of rows processed in a batch of updated records.(Inherited from RowUpdatedEventArgs.)

System_CAPS_pubpropertyStatementType

Gets the type of SQL statement executed.(Inherited from RowUpdatedEventArgs.)

System_CAPS_pubpropertyStatus

Gets the UpdateStatus of the Command property.(Inherited from RowUpdatedEventArgs.)

System_CAPS_pubpropertyTableMapping

Gets the DataTableMapping sent through an Update.(Inherited from RowUpdatedEventArgs.)

NameDescription
System_CAPS_pubmethodCopyToRows(DataRow[])

Copies references to the modified rows into the provided array.(Inherited from RowUpdatedEventArgs.)

System_CAPS_pubmethodCopyToRows(DataRow[], Int32)

Copies references to the modified rows into the provided array. (Inherited from RowUpdatedEventArgs.)

System_CAPS_pubmethodEquals(Object)

Determines whether the specified object is equal to the current object.(Inherited from Object.)

System_CAPS_pubmethodGetHashCode()

Serves as the default hash function. (Inherited from Object.)

System_CAPS_pubmethodGetType()

Gets the Type of the current instance.(Inherited from Object.)

System_CAPS_pubmethodToString()

Returns a string that represents the current object.(Inherited from Object.)

The RowUpdated event is raised when an Update to a row is completed.

When using Update, there are two events that occur for each data row updated. The order of execution is as follows:

  1. The values in the DataRow are moved to the parameter values.

  2. The OnRowUpdating event is raised.

  3. The command executes.

  4. If the command is set to FirstReturnedRecord, and the first returned result is placed in the DataRow.

  5. If there are output parameters, they are placed in the DataRow.

  6. The OnRowUpdated event is raised.

  7. AcceptChanges is called.

The following example shows how to use both the RowUpdating and RowUpdated events.

The RowUpdating event returns this output:

Event Arguments: (command=System.Data.SqlClient.SqlCommand commandType=2 status=0)

The RowUpdated event returns this output:

Event Arguments: (command=System.Data.SqlClient.SqlCommand commandType=2 recordsAffected=1 row=System.Data.DataRow[37] status=0)

// handler for RowUpdating event
private static void OnRowUpdating(object sender, SqlRowUpdatingEventArgs e) 
{
    PrintEventArgs(e);
}

// handler for RowUpdated event
private static void OnRowUpdated(object sender, SqlRowUpdatedEventArgs e) 
{
    PrintEventArgs(e);
}

public static int Main() 
{
    const string connectionString = 
              "Integrated Security=SSPI;database=Northwind;server=MSSQL1";
    const string queryString = "SELECT * FROMProducts";

    // create DataAdapter
    SqlDataAdapter adapter = new SqlDataAdapter(queryString, connectionString);
    SqlCommandBuilder builder = new SqlCommandBuilder(adapter);

    // Create and fill DataSet (select only first 5 rows)
    DataSet dataSet = new DataSet();
    adapter.Fill(dataSet, 0, 5, "Table");

    // Modify DataSet
    DataTable table = dataSet.Tables["Table"];
    table.Rows[0][1] = "new product";

    // add handlers
    adapter.RowUpdating += new SqlRowUpdatingEventHandler( OnRowUpdating );
    adapter.RowUpdated += new SqlRowUpdatedEventHandler( OnRowUpdated );

    // update, this operation fires two events 
    // (RowUpdating/RowUpdated) per changed row 
    adapter.Update(dataSet, "Table");

    // remove handlers
    adapter.RowUpdating -= new SqlRowUpdatingEventHandler( OnRowUpdating );
    adapter.RowUpdated -= new SqlRowUpdatedEventHandler( OnRowUpdated );
    return 0;
}

private static void PrintEventArgs(SqlRowUpdatingEventArgs args) 
{
    Console.WriteLine("OnRowUpdating");
    Console.WriteLine("  event args: ("+
        " command=" + args.Command + 
        " commandType=" + args.StatementType + 
        " status=" + args.Status + ")");
}

private static void PrintEventArgs(SqlRowUpdatedEventArgs args) 
{
    Console.WriteLine("OnRowUpdated");
    Console.WriteLine( "  event args: ("+
        " command=" + args.Command +
        " commandType=" + args.StatementType + 
        " recordsAffected=" + args.RecordsAffected + 
        " status=" + args.Status + ")");
}

.NET Framework
Available since 1.1

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

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