Difference between revisions of "DD Class14"

Revision as of 15:46, 7 December 2011

Inclass Review Project

iam.colum.edu/dd/classsource/class14/website1.zip

Review

• .NET
  • Web froms
    • .NET Controls
    • Validation
    • Event Model
    • Data Binding
    • SQLDataSource
    • ObjectDataSource
    • ADO
      • ADO Objects
      • Transactions
  • LINQ
    • DataContext
    • DBML
    • Model Binding (repo)
    • Tansactions

• SQL
  • Basic SQL INSERT, UPDATE, DELETE, SELECT
  • Normal forms 1NF, 2NF, 3NF
    • Primary and Candidate keys
    • Foreign Key Relationships
    • Views and Joins
  • Relation ships One-Many, Many-Many
  • Aggregate Functions
  • Transactions
    • Stored Procedures

• Patterns
  • Repo
  • MVC

Email

Send Mail

<csharp><% @Page Language="C#" %> <% @Import Namespace="System.Web.Mail" %> <%

   //set up some strings for the email
   
   string strTo = "only_a_test@fastmail.fm";
   string strFrom = "jeff@interactive.colum.edu";
   string strSubject = "Hi jeff";
   string strBody = "A real nice body text here";
   
   //Send email
   SmtpMail.SmtpServer = "localhost";
   SmtpMail.Send(strFrom, strTo, strSubject, strBody);

%></csharp> http://iam.colum.edu/oop/classsource/class14/mail.aspx [-source]

xml and objects

All data objects in .Net are make up of xml and and xml schema. The xml is available by calling

DataSet.WriteXml

and

DataSet.WriteXmlSchema

http://iam.colum.edu/dd/classsource/class14/class.aspx -source

This makes it easy to store objects in a database or send them from on machine to another.

Backup and Restore

The data files can be detached from the server

Once a database is detached the data files my be copied to another server. You need to have access to the file system on the data server to do this.

the database may also be backed up and restored using the Management Studio.

Export

You can backup the work you did on your database by generating an sql script for you database.

this will start the wizard to generate sql script

notice that the generated script does not contain any data.

You can export the data to an access database.

Start by making an empty access database.

file new blank database.

Save the empty database. Now use the use the import/export wizard from Server Management Studio

Choose the source

Select the emptry access as the destination

Select the data you want to export. Access uses some different data types and has different max sizes but most fields will fit.

Don't smpke crack and carefully review what you are about to do the run the package.

homework

finish final project

study for final exam. The exam will be in two parts

1. SQL and .NET questions
2. Practical section you will need to build a page or two that connect in variious ways the a sql db.

Data Design Final Review