コード例 #1
0
ファイル: MainForm.cs プロジェクト: batuZ/Samples
        /// <summary>
        /// 创建数据源
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void createDataSourceToolStripButton_Click(object sender, EventArgs e)
        {
            CreateDataSourceForm dsForm = new CreateDataSourceForm(true);

            if (dsForm.ShowDialog() != DialogResult.OK)
            {
                return;
            }

            IConnectionInfo ci = new ConnectionInfo();

            switch (dsForm.ConnectionType)
            {
            case "gviConnectionMySql5x":
                ci.ConnectionType = gviConnectionType.gviConnectionMySql5x;
                break;

            case "gviConnectionFireBird2x":
                ci.ConnectionType = gviConnectionType.gviConnectionFireBird2x;
                break;

            case "gviConnectionSQLite3":
                ci.ConnectionType = gviConnectionType.gviConnectionSQLite3;
                break;
            }
            ci.Server   = dsForm.Server;
            ci.Port     = dsForm.Port;
            ci.Database = dsForm.Database;
            ci.UserName = dsForm.UserName;
            ci.Password = dsForm.Password;

            IDataSource ds = null;

            try
            {
                if (!dsFactory.HasDataSource(ci))
                {
                    ds = dsFactory.CreateDataSource(ci, null);
                    if (ds != null && CreateLogicTreeTable(ds))
                    {
                        myTreeNode sourceNode = null;
                        if (ci.ConnectionType == gviConnectionType.gviConnectionMySql5x)
                        {
                            sourceNode = new myTreeNode(ci.Database + "@" + ci.Server, ci);
                        }
                        else
                        {
                            sourceNode = new myTreeNode(ci.Database, ci);
                        }
                        this.treeView1.Nodes.Add(sourceNode);
                        sourceNode.ContextMenuStrip = this.contextMenuStrip1;
                    }
                }
                else
                {
                    MessageBox.Show("数据源已存在");
                }
            }
            catch (COMException ex)
            {
                System.Diagnostics.Trace.WriteLine(ex.Message);
            }
            finally
            {
                if (ds != null)
                {
                    //Marshal.ReleaseComObject(ds);
                    ds = null;
                }
            }
        }