![](/img/trans.png)
[英]Saving of Numeric with decimal to txt File from datagridview in vb.net
[英]partial .txt file to datagridview vb.net
我有一个用户界面表单,可让您将文本文件上传到datagridview,如下所示
Sub Datagrid()
Dim sw = System.Diagnostics.Stopwatch.StartNew()
Using stream As System.IO.FileStream = System.IO.File.OpenRead(TextBox1.Text)
Using reader As New System.IO.StreamReader(stream)
Dim line As String = reader.ReadLine()
While (line IsNot Nothing)
Dim columns = line.Split(";")
line = reader.ReadLine()
Dim index = Me.DataGridView1.Rows.Add()
Me.DataGridView1.Rows(index).SetValues(columns)
End While
End Using
End Using
sw.Stop()
End Sub
好吧,现在我的问题是我不想将完整的txt文件放在N行中的datagridview中。是否可以这样做? 就像创建querytabel并选择固定值一样?
pe,在第5行中,总是有文本“ Values:”。 之后是否可以选择所有行以放入datagridview? 我到处都用谷歌搜索,但是什么也没找到。 而且没有“示例”代码给我一个开始。 谢谢你们 !
Dim n As Integer = 5
Dim lines As IEnumerable(Of String) = IO.File.ReadAllLines("textbox1.text").Skip(n)
'Gets every line after a certain line count
'Create a new datatable and add some columns
Dim dt As New DataTable
dt.Columns.AddRange((From columnIndex As Integer In Enumerable.Range(1, lines.First.Split(";"c).Count) Select New DataColumn("Column" & columnIndex.ToString())).ToArray())
'Add each line as a row to the datatable
For Each line As String In lines
dt.Rows.Add(line.Split(";"c))
Next
'Set the datasource of the datagridview
MyDataGridView.DataSource = dt
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.