private void btn_Delete_Click(object sender, EventArgs e) { if (txt_Name.Text.Replace(" ", "") != "" || txt_LastName.Text.Replace(" ", "") != "") { DialogResult dr = MessageBox.Show("Do you Want To Delete This Row ?", "CRUD", MessageBoxButtons.YesNo, MessageBoxIcon.Question); if (dr == DialogResult.Yes) { DbDataContext dbdc = new DbDataContext(); var Delete = dbdc.tbl_Students.Where(tbl_Students => tbl_Students.S_ID == int.Parse(S_ID)).Single(); dbdc.tbl_Students.DeleteOnSubmit(Delete); dbdc.SubmitChanges(); dgv_Data.DataSource = dbdc.tbl_Students; S_ID = ""; Clear(); } } else { if (txt_Name.Text.Replace(" ", "") != "") { MessageBox.Show("Please enter Student Name", "CRUD", MessageBoxButtons.OK, MessageBoxIcon.Information); txt_Name.Focus(); } else { MessageBox.Show("Please enter Student Lastname", "CRUD", MessageBoxButtons.OK, MessageBoxIcon.Information); txt_LastName.Focus(); } } }
private void btn_Add_Click(object sender, EventArgs e) { if (txt_Name.Text.Replace(" ", "") != "" || txt_LastName.Text.Replace(" ", "") != "") { DialogResult dr = MessageBox.Show("Do you Want To Add ?", "CRUD", MessageBoxButtons.YesNo, MessageBoxIcon.Question); if (dr == DialogResult.Yes) { DbDataContext dbdc = new DbDataContext(); tbl_Student tbls = new tbl_Student() { S_Name = txt_Name.Text, S_LastName = txt_LastName.Text, S_NationalCode = txt_NationalCode.Text }; dbdc.tbl_Students.InsertOnSubmit(tbls); dbdc.SubmitChanges(); dgv_Data.DataSource = dbdc.tbl_Students; S_ID = ""; Clear(); } } else { if (txt_Name.Text.Replace(" ", "") != "") { MessageBox.Show("Please enter Student Name", "CRUD", MessageBoxButtons.OK, MessageBoxIcon.Information); txt_Name.Focus(); } else { MessageBox.Show("Please enter Student Lastname", "CRUD", MessageBoxButtons.OK, MessageBoxIcon.Information); txt_LastName.Focus(); } } }