Increase value when i clicking on the button

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I want to Insert the admission form of a student.
When i insert this from at that click this admission no is need to be increesed..
For different insertion it values will be mustly increesed...

For Example 1st form insertion click, AdmNo is: Adm0001
2nd form insertion click, AdmNo is: Adm0002
3rd form insertion click, AdmNo is: Adm0003......
Like this.
Any one Pls help me

Posted 26-Apr-12 0:03am

shwetha1

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Comments

Nilesh Patil Kolhapur 26-Apr-12 6:06am

increased from database or program?

Mohamed Mitwalli 26-Apr-12 6:46am

hi is the digit number will always be 4 digit like 0001 , 0002 and so on ?

shwetha1 26-Apr-12 7:38am

Increased from program that will be stored on that database as Record by record

shwetha1 26-Apr-12 7:39am

Its Not Necessary to number as 4 digits but its must to increment for every submission

2 solutions

Solution 1

Hi
you have to set in your table
Set the Field AdmNo as Primary Key and

set Identity Specification as Yes
IsIdentity as Yes
Increment By 1

the above can see by right clicking the table->design

hope this help you

Posted 26-Apr-12 0:21am

msk kumar

Comments

shwetha1 26-Apr-12 6:31am

Thanks for u r Reply But I dont need to set any Identity Specification for my Table Is this possible?

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VJ Reddy · Accepted Answer · 2012-04-26T01:07:00

Solution 2

For the requirement specified in the question, I think a public variable for AdmnNo can be declared and its value is incremented in each click of the button as shown below, and the AdmId is generated using string.Format

C#

int AdmnNo = 0;
//Within the click event of the button
string AdmnId = string.Format("Adm{0:0000}",++AdmnNo);
Console.WriteLine (AdmnId);

Posted 26-Apr-12 1:07am

VJ Reddy

Updated 26-Apr-12 1:08am

v2

Comments

[no name] 26-Apr-12 7:08am

Yes

VJ Reddy 26-Apr-12 7:08am

Thank you, Wes.

Vipin_Arora 26-Apr-12 7:10am

+5

VJ Reddy 26-Apr-12 7:14am

Thank you, Vipin.

shwetha1 26-Apr-12 7:37am

Thanks for ur answer but for every insertion it will take Admno:AdmNo0001 only...

VJ Reddy 26-Apr-12 8:47am

Please see the scope of AdmnNo. If the AdmnNo is declared within the click event of the Button then each time the Button is clicked AdmnNo will be initialized to 0. So, AdmnNo should have class level scope, i.e, AdmnNo should a Field of the class or still better declare it as the static field of the class.