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Saving the data to backend by self id

Posted By:Nikhil Kumar       Posted Date: February 27, 2010    Points: 10    Category: ADO.NET    URL: http://www.dotnetspark.com  

Saving the data to backend by self id. Get the last record id from database and increment in front end using C# code.

//Storing the data to backend

 protected void Button1_Click(object sender, EventArgs e)
        SqlConnection con = new SqlConnection();
        con.ConnectionString = "Data source = SAI; Initial Catalog = Datamaster; Integrated Security = true";

            //create  a sql command to get a unique contactID.

            SqlCommand cmd = new SqlCommand("Select MAX(cemployeeCode) from employee", con);
            // Open the database connection

            //Execuete the sql command 
            int intNextID = (int)cmd.ExecuteScalar() + 1;

            //Create a command to add a new row...

            SqlCommand cmd1 = new SqlCommand(String.Format("Insert into employee (cemployeeCode,Name,Age) values({0},'{1}','{2}')", intNextID, TextBox1.Text, TextBox2.Text), con);

            //Execute the command 
            if (cmd1.ExecuteNonQuery() > 0)
                Label1.Text = "Record Added";
                TextBox1.Text = "";
                TextBox2.Text = "";
                Label1.Text = "Couldn't add record";
        catch (Exception ex)
            Label1.Text = "Error:" + ex.Message;
            //close the con.


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