//get EmployeeID private string EmployeeID(string employeeText) { try { database db = new database(); string query = "SELECT empid FROM tblemp where name='" + employeeText + "'"; SQLiteCommand myCommand = new SQLiteCommand(query, db.myConnection); db.OpenConnection(); string result = Convert.ToString(myCommand.ExecuteScalar()); db.CloseConnection(); //MessageBox.Show("Rows Added: {0}", result.ToString()); return(result); } catch (Exception ex) { MessageBox.Show(ex.Message, "Message", MessageBoxButtons.OK, MessageBoxIcon.Error); return(null); } }
//get designname private string designationName(int designationID) { try { database db = new database(); string query = "SELECT designation FROM tbldesignation where desigid='" + designationID + "'"; SQLiteCommand myCommand = new SQLiteCommand(query, db.myConnection); db.OpenConnection(); string result = Convert.ToString(myCommand.ExecuteScalar()); db.CloseConnection(); //MessageBox.Show("Rows Added: {0}", result.ToString()); return(result); } catch (Exception ex) { MessageBox.Show(ex.Message, "Message", MessageBoxButtons.OK, MessageBoxIcon.Error); return(null); } }
private void deleteBook(int bookID) { try { database db = new database(); string query = "delete from tblbook where bookid='" + bookID + "'"; SQLiteCommand myCommand = new SQLiteCommand(query, db.myConnection); db.OpenConnection(); // string result = Convert.ToString(myCommand.ExecuteScalar()); myCommand.ExecuteScalar(); db.CloseConnection(); //MessageBox.Show("Rows Added: {0}", result.ToString()); } catch (Exception ex) { MessageBox.Show(ex.Message, "Message", MessageBoxButtons.OK, MessageBoxIcon.Error); } }
private void ReportPublisherWise_Load(object sender, EventArgs e) { try { database db = new database(); string query = "SELECT name FROM tblpublisher;"; db.OpenConnection(); SQLiteCommand myCommand = new SQLiteCommand(query, db.myConnection); SQLiteDataReader rdr = myCommand.ExecuteReader(); while (rdr.Read()) { comboBox1.Items.Add(rdr.GetValue(0).ToString()); } db.CloseConnection(); } catch (Exception ex) { MessageBox.Show(ex.Message, "Message", MessageBoxButtons.OK, MessageBoxIcon.Error); } comboBox1.SelectedIndex = 0; }
private int rowsCount() { try { database db = new database(); string query = "SELECT Count(*) FROM tblissued"; SQLiteCommand myCommand = new SQLiteCommand(query, db.myConnection); db.OpenConnection(); int result = Convert.ToInt32(myCommand.ExecuteScalar()); db.CloseConnection(); //MessageBox.Show("Rows Added: {0}", result.ToString()); return(result); } catch (Exception ex) { MessageBox.Show(ex.Message, "Message", MessageBoxButtons.OK, MessageBoxIcon.Error); return(0); } }
//get CAN private string lastCAN() { try { database db = new database(); string query = "select city from tblbook order by bookid desc limit 1"; SQLiteCommand myCommand = new SQLiteCommand(query, db.myConnection); db.OpenConnection(); string result = Convert.ToString(myCommand.ExecuteScalar()); db.CloseConnection(); //MessageBox.Show("Rows Added: {0}", result.ToString()); return(result); } catch (Exception ex) { MessageBox.Show(ex.Message, "Message", MessageBoxButtons.OK, MessageBoxIcon.Error); return(null); } }
private void ReportAuthorWise_Load(object sender, EventArgs e) { // TODO: This line of code loads data into the 'databaseDataSet.tblauthor' table. You can move, or remove it, as needed. this.tblauthorTableAdapter.Fill(this.databaseDataSet.tblauthor); try { database db = new database(); string query = "SELECT name FROM tblauthor"; db.OpenConnection(); SQLiteCommand myCommand = new SQLiteCommand(query, db.myConnection); SQLiteDataReader rdr = myCommand.ExecuteReader(); while (rdr.Read()) { comboBox1.Items.Add(rdr.GetValue(0).ToString()); } db.CloseConnection(); } catch (Exception ex) { MessageBox.Show(ex.Message, "Message", MessageBoxButtons.OK, MessageBoxIcon.Error); } comboBox1.SelectedIndex = 0; }