private void Login_Load(object sender, EventArgs e) { System_Config = Program_Configuration.GetSystem_Config(); if (System_Config.SQL_server == null || System_Config.Database == null || System_Config.SQL_server == "" || System_Config.Database == "") { System_config system_Config = new System_config(); system_Config.SQL_server = @"Data Source=CALIS_YII\WINCC;Initial Catalog=ComponentState;Integrated Security=True"; system_Config.Database = "ComponentState"; } if (System_Config.SQL_server != "" && System_Config.Database != "") { comboBox1.Text = System_Config.SQL_server; comboBox2.Text = System_Config.Database; } DataTable dt = SQL_action.GetSQL_SeverList(); comboBox1.Items.Clear(); foreach (DataRow r in dt.Rows) { if (r["InstanceName"].ToString() != "") { comboBox1.Items.Add(r["ServerName"].ToString() + "\\" + r["InstanceName"].ToString()); } else { comboBox1.Items.Add(r["ServerName"].ToString()); } } }
private void comboBox1_SelectedIndexChanged_1(object sender, EventArgs e) { if (data) { DataTable dt = SQL_action.GetSQL_DatabaseList(comboBox1.SelectedItem.ToString()); comboBox2.Items.Clear(); foreach (DataRow r in dt.Rows) { string databaseName = r["database_name"].ToString(); comboBox2.Items.Add(databaseName); } } }