Dataset update command

The UpdateCommand maintains a reference to the previously created SqlCommand object. If execution of this command returns rows, the updated rows may be merged with the DataSet depending on how you set the UpdatedRowSource property of the SqlCommand object.

For every column that you propagate to the data source on Update , a parameter should be added to InsertCommand , UpdateCommand , or DeleteCommand. The SourceColumn property of the parameter should be set to the name of the column. This indicates that the value of the parameter is not set manually, but taken from the particular column in the currently processed row.

Skip to main content. This browser is no longer supported. RowChanging and DataTable. RowChanged events for the updated DataRow. Each command associated with the DataAdapter usually has a parameters collection associated with it. Parameters are mapped to the current row through the SourceColumn and SourceVersion properties of a.

NET data provider's Parameter class. SourceColumn refers to a DataTable column that the DataAdapter references to obtain parameter values for the current row. SourceColumn refers to the unmapped column name before any table mappings have been applied. If SourceColumn refers to a nonexistent column, the action taken depends on one of the following MissingMappingAction values.

An exception is generated if it refers to a nonexistent column. The SourceVersion property of a. NET data provider's Parameter class determines whether to use the Original, Current, or Proposed version of the column value.

If either of these methods are called before the Update method is called, no changes will be committed when the Update method is called, unless further changes have been made since AcceptChanges or AcceptChanges was called. If an error occurs while updating a row, an exception is thrown and execution of the update is discontinued.

To continue the update operation without generating exceptions when an error is encountered, set the ContinueUpdateOnError property to true before calling Update. You may also respond to errors on a per-row basis within the RowUpdated event of a DataAdapter. Sign up using Email and Password. Post as a guest Name. Email Required, but never shown. The Overflow Blog. Podcast Making Agile work for data science. Stack Gives Back Featured on Meta. The SourceVersion property of a.

NET Framework data provider's Parameter class determines whether to use the Original, Current, or Proposed version of the column value. If an error occurs while updating a row, an exception is thrown and execution of the update is discontinued. To continue the update operation without generating exceptions when an error is encountered, set the ContinueUpdateOnError property to true before calling Update. You may also respond to errors on a per-row basis within the RowUpdated event of a DataAdapter.

To continue the update operation without generating an exception within the RowUpdated event, set the Status property of the RowUpdatedEventArgs to Continue.

An array of DataRow objects used to update the data source. The TableMappings collection to use. The number of rows successfully updated from the array of DataRow objects. No DataRow exists to update. No DataTable exists to update. No DataSet exists to use as a source. The DataTable used to update the data source. The number of rows successfully updated from the DataTable. The DataSet used to update the data source. Skip to main content. This browser is no longer supported.