private void DELETEbutton_Click(object sender, EventArgs e) { SqlConnection con = new SqlConnection(cs); string query = "delete from item_tbl where item_id = @id"; SqlCommand cmd = new SqlCommand(query, con); cmd.Parameters.AddWithValue("@id", IDtextBox.Text); con.Open(); int a = cmd.ExecuteNonQuery(); if (a > 0) { MessageBox.Show("Item Deleted Successfully !!", "Success", MessageBoxButtons.OK, MessageBoxIcon.Information); BindGridView(); IDtextBox.Clear(); NAMEtextBox.Clear(); PRICEtextBox.Clear(); DISCOUNTtextBox.Clear(); NAMEtextBox.Focus(); } else { MessageBox.Show("Item is not Deleted !!", "Failure", MessageBoxButtons.OK, MessageBoxIcon.Information); } con.Close(); }
private void button1_Click(object sender, EventArgs e) { SqlConnection con = new SqlConnection(cs); string query = "insert into item_tbl values(@name,@price,@discount)"; SqlCommand cmd = new SqlCommand(query, con); cmd.Parameters.AddWithValue("@name", NAMEtextBox.Text); cmd.Parameters.AddWithValue("@price", PRICEtextBox.Text); cmd.Parameters.AddWithValue("@discount", DISCOUNTtextBox.Text); con.Open(); int a = cmd.ExecuteNonQuery(); if (a > 0) { MessageBox.Show("Item Added Successfully !!", "Success", MessageBoxButtons.OK, MessageBoxIcon.Information); NAMEtextBox.Clear(); PRICEtextBox.Clear(); DISCOUNTtextBox.Clear(); NAMEtextBox.Focus(); } else { MessageBox.Show("Item is not Added !!", "Failure", MessageBoxButtons.OK, MessageBoxIcon.Information); } con.Close(); }
private void UPDATEbutton_Click(object sender, EventArgs e) { SqlConnection con = new SqlConnection(cs); string query = "update item_tbl set item_name = @name, item_price = @price, item_discount = @discount where item_id = @id"; SqlCommand cmd = new SqlCommand(query, con); cmd.Parameters.AddWithValue("@id", IDtextBox.Text); cmd.Parameters.AddWithValue("@name", NAMEtextBox.Text); cmd.Parameters.AddWithValue("@price", PRICEtextBox.Text); cmd.Parameters.AddWithValue("@discount", DISCOUNTtextBox.Text); con.Open(); int a = cmd.ExecuteNonQuery(); if (a > 0) { MessageBox.Show("Item Updated Successfully !!", "Success", MessageBoxButtons.OK, MessageBoxIcon.Information); BindGridView(); IDtextBox.Clear(); NAMEtextBox.Clear(); PRICEtextBox.Clear(); DISCOUNTtextBox.Clear(); NAMEtextBox.Focus(); } else { MessageBox.Show("Item is not Updated !!", "Failure", MessageBoxButtons.OK, MessageBoxIcon.Information); } con.Close(); }