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Row = row & " '" & Convert.ToString(r.Cells(c.HeaderText). Using f As New IO.StreamWriter(newFullPath, True) How To Populate DataGridview From a Text File In Visual Basic. NewFullPath = Path.Combine(path_1, tempFileName & extension) If Directory.Exists( " C:\Foldertxt") = False Thenĭirectory.CreateDirectory( " C:\Foldertxt")ĭim sFile As String = " C:\Foldertxt\file.txt"ĭim fileNameOnly As String = Path.GetFileNameWithoutExtension(sFile)ĭim extension As String = Path.GetExtension(sFile)ĭim path_1 As String = Path.GetDirectoryName(sFile)ĭim tempFileName As String = String.Format( " )", fileNameOnly, ((count),count - 1))

MessageBox.Show( " the datagridview is emptly") If i < - 1 Then row &= Environment.NewLine Row = row & "'" & Convert.ToString(r.Cells(c.HeaderText).Value) & "' " Using f As New IO.StreamWriter(sFile, True)įor Each r As DataGridViewRow In DataGridView1.Rowsįor Each c As DataGridViewColumn In DataGridView1.Columns VB.NET - How To Import And Export Datagridview To Text File Using VB.Net With Source Code Watch on Project Source Code: Imports System.IO Public Class TXTIMPORTEXPORTDGV Dim table1 As New DataTable () Dim table2 As New DataTable () Private Sub TXTIMPORTEXPORTDGVLoad (sender As Object, e As EventArgs) Handles MyBase. If Directory.Exists("C:\Foldertxt") = False Thenĭirectory.CreateDirectory("C:\Foldertxt")ĭim sFile As String = "C:\Foldertxt\file.txt" MessageBox.Show("the datagridview is emptly") I use the following code in a button to export the datagrid to text file: I would like that every time you export the contents of datagridview a new file is created with a different name to avoid overwriting it. I have a small program that helps me to import excel sheets to a Datagridview to later export it to a text file but the problem is that the text file is overwritten.