Update Data into database

In this i want to tell you how to update data in database. First of all you have present some data in database .
In this I want to update Username,password through the email id.
1.Front end

2.Coding Page

3.coding of web.config file should be done.....if u don't no the go to this link and check web.config file
check webconfig file code

C#.Net(Array And ArrayList)

In This Post We Will discuss about array and array list.Difference b/w Array and arraylist

Difference B/w Array And Array list
1.In Array We have to mention the size of array.But in Array List We Don't Need To Mention the size
2.In Array it is used for homogenous type of data.Arraylist Use for heterogeneous type of data.

C#.Net(Control Statements Syntax)

     Control Statements Syntax
Divided Into Two Parts
1.Branching
2.Looping
      1.Branching:
            1.If
                 If(Condition)
                {
                }
            2.If-else
                   If(Condition)
                  {
                  }
                   else
                  {
                  }
             3.Nested If-else
                   If(Condition)
                    {
                    }
                   else if(condition)
                    {
                    }
                    else
                     {
                     }
              4.Switch
                    Switch(a)
                       {
                     Case 0:
                    //Instructions;
                     break;
                      Case 1:
                    //Instructions;
                     break;

                        }
 2.Looping
        1.For
                for(initilization ; condition ; increment/decrement)
                  {
                             //Body(Instructions)
                  }
          2.While(conditions)
               {
                  //Body(Instructions)
                }
          3.Do-While
            do
             {
              }
             while(condition);

C#.Net(Input integer And String Values)

If U see First C#.Net Program then U Know How To Select New Console  Application.Now In This Post I Want To Tell U How to input integer and string Value In C#

Starting C#.Net(Basic Output display program)

To Make program in C#(C Sharp) We Will Use The IDE(Integrated Development Environment) Visual Studio . I Am Using Visual Studio 2010 . U can Use Which Visual Studio Version U have

Steps
1.When Open The VS Then Go to File->New->Project

2.When Click On Project A Window Will Open

3.

 
  Through this hello will display on black screen when execute it

Query string(Pass multiple value from one page to next page)

1.First page from where value input

2.coding on button event

3.Next Page

4.Coding on page load event of next.aspx page

Add Session in asp.net application and use that session in another pages

So In this i will add session in login page and i will use that session in another pages.{before this i want to tell you that your data should be present in the table  which you are accesing at login time}
Steps
1.firstly create Login Page

2.coding on button event

3.Now use this session in next page ....
        front end page
    

        back end page
                                        

Now run from the login page.....