DbSyncAdapter.DeleteMetadataCommand Property

Gets or sets the query or stored procedure that is used to delete metadata from the metadata table.

Namespace: Microsoft.Synchronization.Data
Assembly: Microsoft.Synchronization.Data (in microsoft.synchronization.data.dll)

Syntax

'Declaration
Public Property DeleteMetadataCommand As IDbCommand
'Usage
Dim instance As DbSyncAdapter
Dim value As IDbCommand

value = instance.DeleteMetadataCommand

instance.DeleteMetadataCommand = value

public IDbCommand DeleteMetadataCommand { get; set; }

public:
property IDbCommand^ DeleteMetadataCommand {
    IDbCommand^ get ();
    void set (IDbCommand^ value);
}

/** @property */
public IDbCommand get_DeleteMetadataCommand ()

/** @property */
public void set_DeleteMetadataCommand (IDbCommand value)

public function get DeleteMetadataCommand () : IDbCommand

public function set DeleteMetadataCommand (value : IDbCommand)

Property Value

An IDbCommand object that contains a query or stored procedure.

Remarks

Synchronization adapter commands enable you to specify the queries and stored procedures that are used to select from and apply data and metadata changes to a peer database. For more information, see How to: Configure Change Tracking and Synchronize Peers. Each command uses session variables that enable you to pass values during synchronization. These variables are specified like other parameters to queries or stored procedures in ADO.NET commands. For more information, see How to: Use Session Variables for Peer-to-Peer Synchronization.

Example

The following code example creates a command that deletes metadata rows from the Customer_Tracking table at a peer. The command is a stored procedure that is defined in Setup Scripts for Sync Services How-to Topics. To view this code in the context of a complete example, see How to: Configure Change Tracking and Synchronize Peers.

SqlCommand delMetadataCustomerCmd = new SqlCommand();
delMetadataCustomerCmd.CommandType = CommandType.StoredProcedure;
delMetadataCustomerCmd.CommandText = "Sales.sp_Customer_DeleteMetadata";
delMetadataCustomerCmd.Parameters.Add("@CustomerId", SqlDbType.UniqueIdentifier);
delMetadataCustomerCmd.Parameters.Add("@" + DbSyncSession.SyncCheckConcurrency, SqlDbType.Int);
delMetadataCustomerCmd.Parameters.Add("@" + DbSyncSession.SyncRowTimestamp, SqlDbType.BigInt);
delMetadataCustomerCmd.Parameters.Add("@" + DbSyncSession.SyncRowCount, SqlDbType.Int).Direction = ParameterDirection.Output;

adapterCustomer.DeleteMetadataCommand = delMetadataCustomerCmd;

Dim delMetadataCustomerCmd As New SqlCommand()

With delMetadataCustomerCmd
    .CommandType = CommandType.StoredProcedure
    .CommandText = "Sales.sp_Customer_DeleteMetadata"
    .Parameters.Add("@CustomerId", SqlDbType.UniqueIdentifier)
    .Parameters.Add("@" + DbSyncSession.SyncCheckConcurrency, SqlDbType.Int)
    .Parameters.Add("@" + DbSyncSession.SyncRowTimestamp, SqlDbType.BigInt)
    .Parameters.Add("@" + DbSyncSession.SyncRowCount, SqlDbType.Int).Direction = ParameterDirection.Output
End With

adapterCustomer.DeleteMetadataCommand = delMetadataCustomerCmd

See Also

Reference

DbSyncAdapter Class
DbSyncAdapter Members
Microsoft.Synchronization.Data Namespace