How you can you verify whether a dataset has changed?

The WriteXml method of a DataSet writes the data of the DataSet in an XML file. WriteXml accepts a parameter for the different types of destinations. Which of the following is an invalid type for the destination?

ADO.NET is known for disconnected data extraction. Which one does not use the disconnected mechanism while extracting data from the database?

You have following data table structure: Sales ----------- SalemanId OrderId Price How will you calculate the total amount generated by a salesman (with SalemanID =2201) if the name of DataTable is 'DatTab?'

You have a data table named 'DTable.' You are writing a sub routine to validate the changes made by the user. Which of the following would you use to get the changed table data?

You have created an SqlCommand object as shown below by passing the sql query and the connection object. Dim cmd as New SqlCommand(''Select CategoryID, CategoryName FROM Categories'', con) Which of the following methods would be used by you to get data?

The WriteXml method of a DataSet writes the data of the DataSet in an XML file. WriteXml accepts a parameter for the different types of destinations. Which of the following is an invalid type for the destination?