Models In Asp.net MVC

What is a Model?
Model is a class that represents domain specific data and business logic in a dot net application.

Adding A Model
Right click the Models folder in the solution explorer->Add -> Class

After that Select Visual C#-> Class and provide a suitable name for your model class

Sample Model Class

In Model validation logic can be added using Attributes in C# . Some validation attributes like StringLength,RegularExpression are used in the model.

Comments

Extract Week Start Date and End Date from a given date in c#

Using SqlDataAdapter to fill DataTable in c#

public DataTable List(string sql) { SqlConnection con = new SqlConnection(ConfigurationManager.ConnectionStrings["DefaultConnection"].ConnectionString); SqlCommand cmd = new SqlCommand(sql, con); DataTable dt = new DataTable(); SqlDataAdapter da = new SqlDataAdapter(cmd); try { con.Open(); da.Fill(dt); } finally { con.Close(); } return dt; }

Pivot in Oracle for Dynamic Columns

Pivot in SQL refers to the change of rows into columns based on specific constraints. An example of pivot could be the transpose of matrix. Example: a matrix containing day as 1st row and sales as 2nd row for specific day sun 10 mon 20 tue 30 The transpose of the above matrix would be sun mon tue 10 20 30 This is an example scenario of pivot in sql. Now, Lets get on to the actual tables in database and see how we can use pivot . Starting with a fictional scenario, assume a table which contains two columns DAYS and SALES. CREATE TABLE TEST.DAILY_SALES ( DAYS VARCHAR2(10), SALES NUMBER ) insert into DAILY_SALES('SUN',10); insert into DAILY_SALES('MON',20); insert into DAILY_SALES('TUE',15); insert into DAILY_SALES('WED',25); insert into DAILY_SALES('THU',10); insert into DAILY_SALES('FRI',30); insert into DAILY_SALES('SAT',5); Now when we execute the following select statement se

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