service based database, sql server, vb.net, .mdf, Dr.girija, Dr.girija narasimhan

1. Part 2 – Database Connection in
VB.NET using Service based database
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2. Step 1- creating Dataset
PROJECT  Add New Item  Common Item Service based database dataset
Finish
Media Descriptor
File (.MDF) created
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3. In memory-representation of data, Get record of data from retrieved
from a database, the data adapter creates a dataset and stores data in it.
The connection with the database is closed “disconnected architecture” ,
it works as Virtual Database containing table rows and columns
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4. Click the finish buttonDr. Girija Narasimhan 4

5. Click the property of
database1.mdf
Change “copy if newer” means
it will copy the database from
the project root only if you
make some changes to the
database an build your project
Each time run the application dbase is
updated, the update are going to the
copy instead of the original
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6. View-serverexplorer-right click .mdf ”add new table”
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7. Type Table name
Step 2: Column name
and datatype and size
Step 3: Press
update Step 1
Table design
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8. Server explorerdatabase1.mdfemp1(table>right click select “show table data”
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9. Viewother windowsdata sourcesconfigure data source with wizard .
Then only table column appear.
Hint: data source is not visible when you are in dbo.table , it is visible only in
form design, so go to form design and then select data source
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10. From data source -drag column and place it in form1 (any form)
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11. Click “app.config’”property
in solution Explorer
Solution explorer : Copy from
database1.mdf property full path and paste
it in app.config “attachDbFilename”
Step 1
Step 2
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12. Summary of the Tutorial:
Step 1: ProjectAdd new itemcommon item  service based database dataset
solution explorer .MDF file right click property  copy to output directory change
as “copy if newer”
Step 2 :view server explorer Data connection  .mdf right click  add new table 
change table name  assign column name  press update
Step 3: server explorer  now created table appear in the under .mdf - right click “show
table data”  enter record values
Step 4 : In the form design  view  other windows  select data sources
database1dataset right click -select “configure data source with wizard”  then table
and column name appear  drag columns and place it in form design
Step 5: In the solution explorer  right click .mdf property  copy the “full path” url
information  app.config right click the property  paste the full path url in the
connection string ”Attach DbFilename =“
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