private void dataGridView1_CellContentClick(object sender, DataGridViewCellEventArgs e) { DatabaseConnect db = new DatabaseConnect(); string id = dataGridView1.Rows[e.RowIndex].Cells[1].Value.ToString(); string Command = dataGridView1.Rows[e.RowIndex].Cells[e.ColumnIndex].Value.ToString(); if (Command.ToLower() == "delete") { DialogResult DialogDecision = MessageBox.Show("Are you sure you want to delete the entire row?", "", MessageBoxButtons.YesNo); if (DialogDecision == DialogResult.Yes) { string query = "Delete from expense_tbl where id=" + id; db.Executequery(query); string query1 = "Delete from chart_tbl where id=" + id; db.Executequery(query1); MessageBox.Show("Expense deleted successfully"); } else if (DialogDecision == DialogResult.No) { MessageBox.Show("Be sure and come next time"); } } try { string query = "Select * from expense_tbl"; DataTable values = db.data(query); dataGridView1.DataSource = values; } catch (Exception ex) { MessageBox.Show(ex.Message); } }
private void LoadStart() { try { string query = "Select * from expense_tbl"; DatabaseConnect db = new DatabaseConnect(); DataTable values = db.data(query); dataGridView1.DataSource = values; } catch (Exception ex) { MessageBox.Show(ex.Message); } }
public static bool CheckDuplicateUsername(string Username) { try { string query = "select * from register_tbl where Username='******'"; DatabaseConnect dc = new DatabaseConnect(); DataTable deuser = dc.data(query); if (deuser.Rows.Count > 0) { return(true); } else { return(false); } } catch (Exception ex) { throw ex; } }
private void btnsearch_Click(object sender, EventArgs e) { try { if (txtsearch.Text == null) { MessageBox.Show("Enter a word to search Thank You!!!"); } else { string query = "Select * from expense_tbl where title like'" + txtsearch.Text + "%'or description like'" + txtsearch.Text + "%' "; DatabaseConnect db = new DatabaseConnect(); DataTable dt = db.data(query); dataGridView1.DataSource = dt; txtsearch.Text = ""; } } catch (Exception ex) { MessageBox.Show(ex.Message); } }