Tài liệu Using Transactions with a DataSet (SQL) pptx

... You can push these changes to the database using the following example: mySqlDataAdapter.Update(myDataSet); All your changes to myDataSet are pushed to the database as part of the transaction ... Each of the Command objects in mySqlDataAdapter will now use mySqlTransaction. Let's say you added, modified, and removed some rows from a DataTable contained in a DataSet named myDa...

Ngày tải lên: 24/12/2013, 01:17

Ngày tải lên: 24/12/2013, 05:15

... tables. The XML schema and data for the DataSet is written both to a file and to a text box on the form. Read Button.Click Creates a DataSet and reads in schema and data from a file containing ... Team LiB ] Recipe 8.2 Saving and Loading a DataSet from XML Problem You need to save a DataSet as an XML file and create a DataSet from an XML file. Solution Use t...

Ngày tải lên: 24/12/2013, 05:15

... Name(); } } } 3. Add a second public read-only indexer to the PhoneBook class that returns a PhoneNumber and accepts a single Name parameter. Implement this indexer in the same way as ... should return an empty Name value. (Note that Name is a struct and will always have a default constructor that sets its private field to null.) The indexer with its completed get acc...

Ngày tải lên: 24/12/2013, 09:16

... different actions can be invoked. An image map file associates actions with each of the defined areas of the image. Within an HTML form, a WOActiveImage acts as a graphical submit button. You typically ... hot-spot area of the image map using image map tools. The toolbar features map- specific buttons that let you shape, color, and otherwise edit your map area. To draw a hot-spot are...

Ngày tải lên: 17/01/2014, 06:20

... the DataSet and create the relationship. ds = new DataSet( ); Table 4-2. DataRowAction enumeration Value Description Add The row has been added to the table. Change The row has been changed. ... DataTable parentTable = new DataTable(PARENTTABLENAME); cols = parentTable.Columns; col = cols.Add(PARENTID_FIELD, typeof(Guid)); col.DefaultValue = Guid.NewGuid( ); parentTable.Prima...

Ngày tải lên: 21/01/2014, 11:20

... dialog to link a calendar or Contacts folder to Outlook. If you're a member of more than one SharePoint site, you can add calendars and Contacts folders for each site. After creating the ... SharePoint, a local copy of the calendar or contacts is created and added to your profile. SharePoint links are read-only; changes made to the items locally are not reflected in the orig...

Ngày tải lên: 26/01/2014, 04:20

... Siedow Three-dimensional Radiative Heat Transfer in Glass Cooling Processes For the numerical simulation of 3D radiative heat transfer in glasses and glass melts, practically applicable mathe- matical methods are ... Several test cases are treated and a problem appearing in glass manufacturing processes is computed. The results clearly show the advantages of a domain decomposition ap- pro...

Ngày tải lên: 15/02/2014, 13:20

... regulations can be impractical in highly urbanized areas and (3) recharge is not always desirable in areas with environmen- tally compromised soils. In California, the Santa Clara Valley Urban Runoff ... Highlands Water Preservation and Planning Act (The Act) was adopted to balance the man- agement of water resources and growth. The Highlands Act documents the geographical boundary of...

Ngày tải lên: 21/02/2014, 12:20