hi how to delete records from sql table ?

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SQL-Server-2005

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hi how to delete records from sql table when i show values in textbox and when i hit delete button record should delete from sql table..can any one help me how to give query for that
??

Posted 4-Mar-12 22:07pm

ythisbug

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uspatel 5-Mar-12 4:10am

have you tried any thing, share code....

5 solutions

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uspatel · Answer 1 · 2012-03-04T22:09:00

Solution 1

Use
SQL Delete

Posted 4-Mar-12 22:09pm

uspatel

Oshtri Deka · Answer 2 · 2012-03-04T22:13:00

Solution 2

DevGuru Quick reference.

Beginners hate this, but I must repeat this mantra:
Do a Google search first.

Posted 4-Mar-12 22:13pm

Oshtri Deka

Bojjaiah · Answer 3 · 2012-03-04T22:15:00

private void Delete ( )
    {
        try
        {
            if (TxtEmpcode.Text == "")
            {
                MessageBox.Show( "Please Enter the valid Employee Code", "CURD", MessageBoxButtons.OK, MessageBoxIcon.Information );
                TxtEmpcode.Focus ( );


                TxtEmpcode.Text = "";
                TxtEmpName.Text = "";
                TxtQual.Text = "";
                TxtCom.Text = "";
                TxtAdd.Text = "";
            }
            else
            {
//before delete validate the requested id is there or not

                objconnection = new SqlConnection ( WebConfigurationManager.ConnectionStrings["Conn"].ConnectionString );
                SqlCommand objcommand = new SqlCommand ( );
                objcommand.Connection = objconnection;
                objcommand.CommandType = CommandType.Text;
                objcommand.CommandText = "Select Count(*) from Employee where EmpCode=" + TxtEmpcode.Text.Trim ( ) + "";
                objconnection.Open ( );
                int val = int.Parse ( objcommand.ExecuteScalar ( ).ToString ( ) );

                if (val > 0)
                {
//delete record here
                    objconnection = new SqlConnection ( WebConfigurationManager.ConnectionStrings["Conn"].ConnectionString );
                    objcommand = new SqlCommand ( );
                    objcommand.Connection = objconnection;
                    objcommand.CommandType = CommandType.Text;
                    objcommand.CommandText = "Delete from Employee where EmpCode=" + TxtEmpcode.Text.Trim ( ) + "";
                    objconnection.Open ( );
                    objcommand.ExecuteNonQuery ( );
                    objconnection.Close ( );

                    MessageBox.Show ( " Employee record is successfully Deleted", "CURD", MessageBoxButtons.OK, MessageBoxIcon.Information );
                    TxtEmpcode.Focus ( );
                    TxtEmpcode.Text = "";
                    TxtEmpName.Text = "";
                    TxtQual.Text = "";
                    TxtCom.Text = "";
                    TxtAdd.Text = "";
                }
                else
                {
                    MessageBox.Show ( "Please Enter the valid Employee Code", "CURD", MessageBoxButtons.OK, MessageBoxIcon.Information );
                    MessageBox.Show ( "Employee record is successfully deleted" + TxtEmpcode.Text, "CURD", MessageBoxButtons.OK, MessageBoxIcon.Information );

                    TxtEmpcode.Focus ( );
                    TxtEmpcode.Text = "";
                    TxtEmpName.Text = "";
                    TxtQual.Text = "";
                    TxtCom.Text = "";
                    TxtAdd.Text = "";

                }
            }
        }
        catch (Exception ex)
        {

            MessageBox.Show ( "error occur", "CURD", MessageBoxButtons.OK, MessageBoxIcon.Error );

        }
        finally
        {
          objconnection.Close();
        }
    }

Prasad_Kulkarni · Answer 4 · 2012-03-04T22:15:00

Solution 4

Hi,
check this demo project to get some needful
Simple ADO.NET Database Read, Insert, Update and Delete using.[^]
Insert, Update, Delete with Gridview....simple way[^]

Posted 4-Mar-12 22:15pm

Prasad_Kulkarni

amolpatil2243 · Answer 5 · 2012-03-04T22:19:00

Solution 5

Please read this, may this help you...
http://www.w3schools.com/sql/sql_delete.asp

Posted 4-Mar-12 22:19pm

amolpatil2243

Updated 4-Mar-12 22:21pm

v3

Comments

Anuja Pawar Indore 5-Mar-12 4:22am

Added link tag

amolpatil2243 5-Mar-12 4:23am

thanks, but i tried to give the link tag, but not accepted by system?? why