Example #1
0
        protected void btnSave_Click(object sender, EventArgs e)
        {
            //connect
            using (DefaultConnection db = new DefaultConnection())
            {
                //create new department in memory
                Department dep = new Department();

                //check url
                if (!String.IsNullOrEmpty(Request.QueryString["DepartmentID"]))
                {
                    Int32 DepartmentID = Convert.ToInt32(Request.QueryString["DepartmentID"]);

                    dep = (from d in db.Departments
                           where d.DepartmentID == DepartmentID
                           select d).FirstOrDefault();

                }
                //fill new properties of the new department
                dep.Name = txtName.Text;
                dep.Budget = Convert.ToDecimal(txtBudget.Text);

                //save the new department
                if (String.IsNullOrEmpty(Request.QueryString["DepartmentID"]))
                {
                    db.Departments.Add(dep);
                }
                db.Departments.Add(dep);
                db.SaveChanges();

                //redirect to department list page
                Response.Redirect("departments.aspx");
            }
        }
        protected void btnSave_Click(object sender, EventArgs e)
        {
            try
            {
                //connect
                using (DefaultConnection db = new DefaultConnection())
                {
                    //create a new department in memory
                    Department dep = new Department();

                    Int32 DepartmentID = 0;

                    //check for a url
                    if (!String.IsNullOrEmpty(Request.QueryString["DepartmentID"]))
                    {
                        //get the id from the url
                        DepartmentID = Convert.ToInt32(Request.QueryString["DepartmentID"]);

                        //look up the department
                        dep = (from d in db.Departments
                               where d.DepartmentID == DepartmentID
                               select d).FirstOrDefault();
                    }

                    //fill the properties of the new department
                    dep.Name = txtName.Text;
                    dep.Budget = Convert.ToDecimal(txtBudget.Text);

                    //add if we have no id in the url
                    if (DepartmentID == 0)
                    {
                        db.Departments.Add(dep);
                    }

                    //save the new department
                    db.SaveChanges();

                    //redirect to the departments list page
                    Response.Redirect("departments.aspx");
                }
            }
            catch (Exception ex)
            {
                Response.Redirect("error.aspx");
            }
        }