在VB.NET中循环浏览文本文件的各行 [英] Loop through the lines of a text file in VB.NET
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问题描述
我有一个文本文件,其中包含一些文本行.
I have a text file with some lines of text in it.
我要遍历每一行,直到找到想要的项目*,然后以标签的形式将其显示在屏幕上.
I want to loop through each line until an item that I want is found*, then display it on the screen, in the form of a label.
*我正在通过文本框搜索该项目.
*I am searching for the item through a textbox.
也就是说,在sudo中:
That is, in sudo:
For i = 0 To number of lines in text file
If txtsearch.text = row(i).text Then
lbl1.text = row(i).text
Next i
推荐答案
You can use the File.ReadLines Method in order to iterate throughout your file, one line at a time. Here is a simple example:
Dim Term As String = "Your term"
For Each Line As String In File.ReadLines("Your file path")
If Line.Contains(Term) = True Then
' Do something...Print the line
Exit For
End If
Next
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