English study navigate: v. 1.航行 2.驾驶 A single dimension array dimension: n. 1.尺寸,尺度 2.维(数) 3.容积,面积 DataTable , DataRow, DataColumn ---------How to use. Dim table_user As DataTable Dim col_Id As DataColumn Dim col_UserName As DataColumn Dim row1 As DataRow Try table_user = New DataTable("userTable") col_Id = New DataColumn("id", Type.GetType("System.Int32")) col_UserName = New DataColumn("userName", Type.GetType("System.String")) table_user.Columns.Add(col_Id) table_user.Columns.Add(col_UserName) row1 = table_user.NewRow row1("id") = 123 row1("username") = "zhuxinbin" table_user.Rows.Add(row1) DataGrid1.DataSource = table_user Catch ex As Exception MessageBox.Show(ex.Message) End Try 从流读取图片到picturebox.txt Dim bin As Stream Try bin = New FileStream("C:\Documents and Settings\All Users\Documents\My Pictures\Sample Pictures\Sunset.jpg", FileMode.Open) 'PictureBox1.Image = PictureBox1.Image.FromStream(bin)'?里容易出? PictureBox1.Image = Image.FromStream(bin)'??方式比?好 PictureBox1.Refresh()'don't need Catch ex As Exception MessageBox.Show(ex.Message) Finally bin.Close() End Try