SyncAdapter.UpdateCommand Property

Gets or sets the query or stored procedure that is used to update data in the server database.

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

Syntax

'Declaration
Public Property UpdateCommand As IDbCommand
'Usage
Dim instance As SyncAdapter
Dim value As IDbCommand

value = instance.UpdateCommand

instance.UpdateCommand = value

public IDbCommand UpdateCommand { get; set; }

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

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

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

public function get UpdateCommand () : IDbCommand

public function set UpdateCommand (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 changes to the server database. For more information, see How to: Specify Snapshot, Download, Upload, and Bidirectional Synchronization. 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.

Example

The following code example creates a command that updates rows in the Customer table in bidirectional and upload-only synchronization scenarios. The command is a stored procedure that is defined in Setup Scripts for Database Provider How-to Topics. To view this code in the context of a complete example, see How to: Handle Data Conflicts and Errors.

SqlCommand customerUpdates = new SqlCommand();
customerUpdates.CommandType = CommandType.StoredProcedure;
customerUpdates.CommandText = "usp_CustomerApplyUpdate";
customerUpdates.Parameters.Add("@" + SyncSession.SyncLastReceivedAnchor, SqlDbType.Timestamp);
customerUpdates.Parameters.Add("@" + SyncSession.SyncClientId, SqlDbType.UniqueIdentifier);
customerUpdates.Parameters.Add("@" + SyncSession.SyncForceWrite, SqlDbType.Bit);            
customerUpdates.Parameters.Add("@" + SyncSession.SyncRowCount, SqlDbType.Int).Direction = ParameterDirection.Output;
customerUpdates.Parameters.Add("@CustomerId", SqlDbType.UniqueIdentifier);
customerUpdates.Parameters.Add("@CustomerName", SqlDbType.NVarChar);
customerUpdates.Parameters.Add("@SalesPerson", SqlDbType.NVarChar);
customerUpdates.Parameters.Add("@CustomerType", SqlDbType.NVarChar);
customerUpdates.Connection = serverConn;
customerSyncAdapter.UpdateCommand = customerUpdates;

Dim customerUpdates As New SqlCommand()
customerUpdates.CommandType = CommandType.StoredProcedure
customerUpdates.CommandText = "usp_CustomerApplyUpdate"
customerUpdates.Parameters.Add("@" + SyncSession.SyncLastReceivedAnchor, SqlDbType.Timestamp)
customerUpdates.Parameters.Add("@" + SyncSession.SyncClientId, SqlDbType.UniqueIdentifier)
customerUpdates.Parameters.Add("@" + SyncSession.SyncForceWrite, SqlDbType.Bit)
customerUpdates.Parameters.Add("@" + SyncSession.SyncRowCount, SqlDbType.Int).Direction = ParameterDirection.Output
customerUpdates.Parameters.Add("@CustomerId", SqlDbType.UniqueIdentifier)
customerUpdates.Parameters.Add("@CustomerName", SqlDbType.NVarChar)
customerUpdates.Parameters.Add("@SalesPerson", SqlDbType.NVarChar)
customerUpdates.Parameters.Add("@CustomerType", SqlDbType.NVarChar)
customerUpdates.Connection = serverConn
customerSyncAdapter.UpdateCommand = customerUpdates

See Also

Reference

SyncAdapter Class
SyncAdapter Members
Microsoft.Synchronization.Data.Server Namespace