Anonymous. Version Compatibility: Visual Basic 6, Visual Basic. NET This code is useful for those that want an alternative to Microsoft SQL Server or Access. I created this code because I was tired of programming databases with too many strings. There are just two methods. One for writing from the Datagrid control to a file and the other to populate the Datagrid from a file. Instructions: Copy the declarations and code below and paste directly into your VB project. Declarations: ' (None)Code: Private Sub Save. Grid. Data. In. File(By. Ref f. Name As String). Dim fw As New IO. Stream. Writer(f. Name). 'write a section for columns collection. Write. Line("[column]"). For x As Short = 0 To Data. Grid. View. 1. Columns. Count - 1. fw. Write. Line(Data. Grid. View. Columns. Item(x). GemBox.Spreadsheet advantages Unified programming interface for multiple file formats (XLSX, XLS, ODS, CSV, HTML, PDF and XPS). More » No dependency on Microsoft Excel. Many times faster than Microsoft Excel automation. More » Plain and fair licensing. I am trying to import a large array of integers stored as a csv file into a VB.Net DataTable called BeamMap. The.csv file consists only of integers, with a delimiter of,, no quotes around the dat. Getting the file from a mapped drive and putting the retrieved data in. Header. Text). 'write a section for rows collection. Write. Line("[row]"). For x As Short = 0 To Data. Grid. View. 1. Rows. Count - 2. 'for each cell, write the cellvalue followed by a comma. For y As Short = 0 To Data. Grid. View. 1. Columns. Count - 1. fw. Write(Data. Grid. View. 1. Rows. Item(x). Cells(y). Value + ","). Next. Write. Line(). 'close the file writer. Close(). 'this function is to read the file. Private Sub readfiletodatagrid(By. With Binary files often you will be using objects which are not of fixed byte length like Integers. For example you would want to read Strings from binary files together with other data types. In such cases use the Type object data type when writing to a file. Learn. This is the snippet Save and Read Datagrid View data Into or From a CSV File on FreeVBCode. The FreeVBCode site provides free Visual Basic code, examples, snippets, and articles on a variety of other topics as well. Here Mudassar Ahmed Khan has explained how to upload Excel File and then read and import its data into DataSet or DataTable using C# and VB.Net in ASP.Net Web Application. The imported Excel File data is then displayed in ASP.Net GridView control. Here Mudassar Ahmed Khan has explained how to import / upload CSV file data to SQL Server database in ASP.Net using C# and VB.Net. The CSV file data will be inserted into SQL Server database table using the SqlBulkCopy class. Ref fname As String). Dim fr As New IO. Stream. Reader(fname). Dim col As Boolean, row As Boolean, colcount As Integer = 0. Dim curr. Row As Integer = 0. While fr. End. Of. Stream = False. 'get the value of each line. Dim instring = fr. Read. Line. If instring = "[column]" Then. True. row = False. Read. Line. Else. If instring = "[row]" Then. True. col = False. Read. Line. End If. If col = True Then. Data. Grid. View. Columns. Add(instring, instring). End If. 'section to get each cell's data. Dim temp. String As String = "", currcell As Integer = 0. If row = True Then. Data. Grid. View. Rows. Add(). For Each c As Char In instring. If c = "," Then. Data. Grid. View. 1. Rows(curr. Row). Cells(currcell). Value = temp. String. String = "". Else. String += c. To. String. End If. Next. curr. Row += 1. End If.
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