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Employee Management System with CRUD, Validations & Auto-Code Generation (ASP.NET MVC + ADO.NET)

 

Project Key Points 

  • Developed a complete Employee Management System using ASP.NET MVC (Framework) and ADO.NET.

  • Implemented CRUD operations (Create, Read, Update, Delete) with SQL Server.

  • Added auto-generated Employee Code (EMP001, EMP002…) using MAX(YewID) logic.

  • Used Stored Procedure (YTSPCRUD) for Insert/Update with flag-based operations.

  • Applied Data Annotation validations for Email, Mobile, Salary, etc.

  • Implemented custom validation based on Designation (Peon/Manager salary range).

  • Integrated Remote Email Validation using AJAX to check duplicates without page reload.

  • Built a responsive UI using Bootstrap 5 with user-friendly form and report table.

  • Created Report View showing employee data with Edit/Delete actions.

  • Added Delete confirmation using JavaScript popup.

  • Designed separate Connection class for centralized ADO.NET database connectivity.

  • Used SqlConnection, SqlCommand, SqlDataAdapter for database operations.

  • Ensured safe parameterized queries to prevent SQL Injection.

  • Maintained a clean MVC architecture with Controller, Model, View separation.


Coding Section:
Sql Code:

Store Procedure: 

CREATE PROCEDURE YTSPCRUD
    @YewID INT,
    @EMPID NVARCHAR(MAX),
    @LastName NVARCHAR(MAX),
    @FirstName NVARCHAR(MAX),
    @DOB NVARCHAR(MAX),
    @Email NVARCHAR(MAX),
    @Mobile NVARCHAR(MAX),
    @Department NVARCHAR(MAX),
    @Designation NVARCHAR(MAX),
    @Salary DECIMAL(10,2),
    @flag NVARCHAR(1)
AS
BEGIN
    -- Insert
    IF (@flag = 'I')
    BEGIN
        INSERT INTO Yew_Technology
        (
            EMPID, LastName, FirstName, DOB, Email,
            Mobile, Department, Designation, Salary
        )
        VALUES
        (
            @EMPID, @LastName, @FirstName, @DOB, @Email,
            @Mobile, @Department, @Designation, @Salary
        );
    END

    -- Update
    IF (@flag = 'U')
    BEGIN
        UPDATE Yew_Technology
        SET
            EMPID = @EMPID,
            LastName = @LastName,
            FirstName = @FirstName,
            DOB = @DOB,
            Email = @Email,
            Mobile = @Mobile,
            Department = @Department,
            Designation = @Designation,
            Salary = @Salary
        WHERE YewID = @YewID;
    END
END;
GO


Sql Connection Code:

Model Code:

(YT_Employee_Model):



Report_View_Model:

Controller Code:

Action Method (Create the views):



Post Method to Save Data and Update the Data in Database:



GetBy Method for Getting Data for Update:


Automatic Employee Code Generation Method:


Report View Method (For Showing the data in Report Format in View):


Delete Method for Deleting the Record from the Database:


Email Id Validate Method to Check this email id already exist in database:


View Code

Employee Registration View Code:


Report View Code:

Index View Code:

RenderBody Added in Common Layout(_layout.cshtml):

User Interface:



LINK: https://tinyurl.com/mu36prx2







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