private void deletebutton_Click(object sender, EventArgs e) { Student aStudents = new Student(); aStudents.Name = massagetextBox.Text; aStudents.Id = idtextBox.Text; aStudents.Age = 0; float.TryParse(agetextBox.Text, out aStudents.Age); aStudents.Faculty = facultytextBox.Text; aStudents.ParmanentAdress = parmanentadresstextBox.Text; aStudents.PresentAdress = presentadresstextBox.Text; aStudents.Gender = gendercomboBox.Text; aStudents.ContactNo = contactnotextBox.Text; aStudents.Bloodgroup = bloodgrouptextBox.Text; StudentBL StudentBLOBJ = new StudentBL(); bool result = StudentBLOBJ.DeleteAStudentandSendFromDA(aStudents); if (result) { MessageBox.Show("The Student's Information is deleted from DB..!!"); this.populateDataGriedview(); updatebutton.Enabled = true; deletebutton.Enabled = true; cancelbutton1.Enabled = true; savebutton.Enabled = true; massagetextBox.Text = " "; idtextBox.Text = " "; agetextBox.Text = " "; facultytextBox.Text = " "; parmanentadresstextBox.Text = " "; presentadresstextBox.Text = " "; gendercomboBox.Text = " "; contactnotextBox.Text = " "; bloodgrouptextBox.Text = " "; } else { MessageBox.Show("Result: " + StudentBLOBJ.Message); } }