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Questions tagged [3-tier]

For issues relating to setting up and utilizing a 3-tier architecture.

3-tier is a software architecture in which the presentation layer, business access layer and data access layer are developed and maintained as independent modules, sometimes on separate platforms.

370 questions
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How to save Output Data into XML File Microsoft visual Studio 2010

public AdvertisementDAL selectAdvertisementLocation1(DateTime now, string gender) { AdvertisementDAL dal = null; string sql = "Select * From Advertisement Where @currentDate between StartDate AND EndDate AND TargetAudience =…
user1861753
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java SE or java EE for 3-tier apps

I want to build a 3-tiers system for EHS(Electronic Health Record) or EMS(Electronic Medical Record), but since i don't have much time '10 days' i want to take the simplest fastest complete route, so wich platform to use? java SE : I am familiar…
user1559104
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Layer cannot access the methods used in the layer it references

I have 3 projects in the same solution, 3-tier architecture. However I am failing to show my presentations in the presentation layer I get the error CS0103, my thought is that the layer cannot access the methods used in the layer it references. If…
Lebea Tshwarelo Tevin Kdot
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Difference between MVC and 3-tiers architecture

After a lot of reading i still unable to understand the difference between the design pattern MVC and 3-tier architecture. I see that the model in mvc is the same as business layer in 3-tier. In all websites i searched in, i found that MVC is an…
TarAll
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I want to check the username is already exists in my database table or not?

i have registration page and i want to check that username is already exist in database or not in 3 tier architecture. MyRegistration.cs: public static int checkusername(string user_txt) { int id2 = 0; string selectstr = "select * from xyz…
yash
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4 answers

How to find forgot password from the database?

i have one project in which i want to send forgot password mail but i am not able to find user name and password from the database it is sending blank mail like UserName : and Password : i want to find user name and password from the data base in 3…
yash
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3 Tier connectivity in Java

I' am building a application program in Java EE as a front end and MySQL as a back end for database... I wanted to establish a 3-tier connectivity between the database and the forms in Java. What all would i need? Will i need an application program…
anurag
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Getting trouble in Login Page 3-Tire architecture

Bussiness Access Layer : public static int login(string userlogin, string pwdlogin) { SqlConnection con = new SqlConnection(); con.ConnectionString = GetConnectionString(); con.Open(); int id = 0; …
yash
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Getting an error 'An unhandled exception of type StackOverflowException' between several classes

HI i am using 3 tire architecture for my project i am getting follpwing error : An unhandled exception of type ' namespace Dal_AddTranction { public class Add_Trancation_Dal { Add_Tranction_UI ObjAdd = new Add_Tranction_UI(); …
Adesh Gaonkar
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