Delete Multipale Record Using Checkbox in asp.net c#

Delete Multipale Record Using Checkbox in asp.net c#

MVC AND ENTITY FRAMEWORK TUTORIAL

http://www.entityframeworktutorial.net/EntityFramework4.3/execute-stored-procedure-using-dbcontext.aspx
http://mvc4beginner.com/Tutorial/MVC-Application-Execution-Flow.html

how to create database with script using c#

using System.IO;
using Microsoft.SqlServer.Management.Common;
using Microsoft.SqlServer.Management.Smo;
 private void CreateDatabase()
    {
        String str;
        string constr = "Data Source=111.111.1.111;Initial Catalog=master; User Id=sa;Password=password;";
        SqlConnection myConn = new SqlConnection(constr);
        str = "CREATE DATABASE MyDatabase";
        SqlCommand myCommand = new SqlCommand(str, myConn);
        try
        {
            myConn.Open();
            myCommand.ExecuteNonQuery();        
        }
        catch (System.Exception ex)
        {      
        }
        finally
        {
            if (myConn.State == ConnectionState.Open)
            {
                myConn.Close();
                string sqlConnectionString = "Data Source=111.111.1.111;Initial Catalog=MyDatabase; User Id=sa;Password=password;";
                FileInfo file = new FileInfo("C:\\esage.sql");
                string script = file.OpenText().ReadToEnd();
                SqlConnection conn = new SqlConnection(sqlConnectionString);
                Server server = new Server(new ServerConnection(conn));
                server.ConnectionContext.ExecuteNonQuery(script);
            }
        }



    }

datareader with sqlhelper and run time label bind in grid

SqlConnection con = new SqlConnection(obj.conString);
        SqlCommand cmd = new SqlCommand();
        cmd.CommandType = CommandType.StoredProcedure;
        cmd.CommandText = "SHOWDATA";
        cmd.Parameters.Add("@Root", SqlDbType.Int).Value = DropDownList2.SelectedValue;
        cmd.Connection = con;

        try
        {
            con.Open();
            GridView2.EmptyDataText = "No Records Found";
            GridView2.DataSource = cmd.ExecuteReader();
            GridView2.DataBind();


            foreach (GridViewRow row in GridView2.Rows)
            {
                string id = ((HiddenField)row.Cells[2].FindControl("hnfID")).Value.ToString();
                Label lbtsanstha = ((Label)row.Cells[2].FindControl("lblsanstah"));
                SqlDataReader rdr = SqlHelper.ExecuteReader(obj.conString, CommandType.Text, "select * from SansthUserDetail where userid='" + id + "'");
                while (rdr.Read())
                {
                    string col1Value = rdr["Sanstha"].ToString();                
                    lbtsanstha.Text = lbtsanstha.Text + ' ' + col1Value + ",".ToString();                
                }
                lbtsanstha.Text = lbtsanstha.Text.Substring(0, lbtsanstha.Text.Length - 1);
            }

        }
        catch (Exception ex)
        { throw ex; }

        finally
        { con.Close(); con.Dispose(); }

insert update select storprocedure

SET ANSI_NULLS ON

GO

SET QUOTED_IDENTIFIER ON

GO

CREATE PROCEDURE [dbo].[AddUpdateCustomer]

      @CustomerID NCHAR(5),

      @ContactName NVARCHAR(30),

      @CompanyName NVARCHAR(40)

AS

BEGIN

      SET NOCOUNT ON;

    IF EXISTS(SELECT * FROM Customers WHERE CustomerID = @CustomerID)

    BEGIN

            UPDATE [Customers]

            SET [CompanyName] = @CompanyName

               ,[ContactName] = @ContactName

            WHERE CustomerID = @CustomerID

    END

    ELSE

    BEGIN

            INSERT INTO [Customers]

           ([CustomerID]

           ,[CompanyName]

           ,[ContactName])

        VALUES

           (@CustomerID

           ,@CompanyName

           ,@ContactName)

    END

   

    SELECT [CustomerID]

          ,[CompanyName]

          ,[ContactName]

      FROM Customers         

END

Delete duplicate record in database

1:-

DELETE FROM dbo.ATTENDANCE WHERE AUTOID NOT IN (SELECT MIN(AUTOID) _
 FROM dbo.ATTENDANCE GROUP BY EMPLOYEE_ID,ATTENDANCE_DATE) 

2.

WITH TempUsers (FirstName,LastName, duplicateRecordCount)

AS

(

SELECT FirstName,LastName,

ROW_NUMBER()OVER(PARTITIONBY FirstName, LastName ORDERBY FirstName) AS duplicateRecordCount

FROM dbo.Users

)

DELETE

FROM TempUsers

WHERE duplicateRecordCount > 1

GO

n tire Architecture

http://www.mindstick.com/Articles/d36ceb0f-018c-4979-b2f5-a4a1e616cb5b/?N-Tier%20Architecture%20in%20ASP.NET