public static void ConnectionState() { string msg = "Connection state: " + "The connection is "; string title = SqlConn.myApp(); MessageBoxButtons btn = MessageBoxButtons.OK; MessageBoxIcon icon = MessageBoxIcon.Information; MessageBox.Show(msg + connection.State.ToString(), title, btn, icon); }
private void Form2_Load(object sender, EventArgs e) { SqlConn.sqlQuery = "SELECT * FROM Car"; SqlConn.OpenConn(); SqlConn.command = new SqlCommand(SqlConn.sqlQuery, SqlConn.connection); SqlConn.dataAdapter = new SqlDataAdapter(SqlConn.command); SqlConn.dataSet = new DataSet(); SqlConn.bindingSource = new BindingSource(); SqlConn.dataAdapter.Fill(SqlConn.dataSet, "myCars"); foreach (DataRow r in SqlConn.dataSet.Tables["myCars"].Rows) { //listBox1.Items.Add(r["Manufacturer"].ToString()); listBox1.Items.Add(string.Format("{0} {1}", r["Manufacturer"].ToString(), r["Model"].ToString())); } listBox1.ValueMember = "CarID"; SqlConn.bindingSource.DataSource = SqlConn.dataSet.Tables["myCars"]; textBox1.DataBindings.Add("Text", SqlConn.bindingSource, "CarID"); textBox2.DataBindings.Add("Text", SqlConn.bindingSource, "Manufacturer"); textBox3.DataBindings.Add("Text", SqlConn.bindingSource, "Model"); textBox4.DataBindings.Add("Text", SqlConn.bindingSource, "Color"); textBox5.DataBindings.Add("Text", SqlConn.bindingSource, "SUV"); textBox6.DataBindings.Add("Text", SqlConn.bindingSource, "Convertible"); textBox7.DataBindings.Add("Text", SqlConn.bindingSource, "YearOfFabrication"); textBox8.DataBindings.Add("Text", SqlConn.bindingSource, "ShowRoomID"); listBox1.SelectedIndex = 0; var link = new DataGridViewLinkColumn(); link.DisplayIndex = 0; link.DefaultCellStyle.NullValue = "SELECT"; link.DefaultCellStyle.Alignment = DataGridViewContentAlignment.MiddleCenter; link.Width = 60; link.ActiveLinkColor = Color.White; link.LinkBehavior = LinkBehavior.HoverUnderline; link.LinkColor = Color.Crimson; link.TrackVisitedState = true; link.VisitedLinkColor = Color.YellowGreen; dataGridView1.Columns.Add(link); dataGridView1.AllowUserToAddRows = false; ShowItems(); }
public static void OpenConn() { connection.Close(); try { connection.ConnectionString = SqlConn.GetConnectionString(); connection.Open(); } catch (Exception e) { MessageBox.Show("The sysyem failed to establish a connection." + Environment.NewLine + e); } //finally //{ // ConnectionState(); //} }
private void Form1_Load(object sender, EventArgs e) { SqlConn.sqlQuery = "SELECT * FROM Service"; SqlConn.OpenConn(); SqlConn.command = new SqlCommand(SqlConn.sqlQuery, SqlConn.connection); SqlConn.dataAdapter = new SqlDataAdapter(SqlConn.command); SqlConn.dataSet = new DataSet(); SqlConn.bindingSource = new BindingSource(); SqlConn.dataAdapter.Fill(SqlConn.dataSet, "Services"); foreach (DataRow r in SqlConn.dataSet.Tables["Services"].Rows) { listBox1.Items.Add(r["Name"].ToString()); } listBox1.ValueMember = "ServiceID"; SqlConn.bindingSource.DataSource = SqlConn.dataSet.Tables["Services"]; textBox1.DataBindings.Add("Text", SqlConn.bindingSource, "ServiceID"); textBox2.DataBindings.Add("Text", SqlConn.bindingSource, "Name"); textBox3.DataBindings.Add("Text", SqlConn.bindingSource, "Address"); textBox4.DataBindings.Add("Text", SqlConn.bindingSource, "Service_TickID"); listBox1.SelectedIndex = 0; var link = new DataGridViewLinkColumn(); link.DisplayIndex = 0; link.DefaultCellStyle.NullValue = "SELECT"; link.DefaultCellStyle.Alignment = DataGridViewContentAlignment.MiddleCenter; link.Width = 60; link.ActiveLinkColor = Color.White; link.LinkBehavior = LinkBehavior.HoverUnderline; link.LinkColor = Color.Crimson; link.TrackVisitedState = true; link.VisitedLinkColor = Color.YellowGreen; dataGridView1.Columns.Add(link); dataGridView1.AllowUserToAddRows = false; ShowItems(); }
private void Form1_FormClosing(object sender, FormClosingEventArgs e) { SqlConn.CloseConn(); }
public Form1() { InitializeComponent(); this.Text = SqlConn.myApp(); }