如何在vb.net中逐字读取文本框中的字符
我想在vb.net中读取用户在文本框中给出的值。如何在vb.net中逐字读取文本框中的字符,vb.net,string,iteration,substring,character,Vb.net,String,Iteration,Substring,Character,我想在vb.net中读取用户在文本框中给出的值。 如果它们给出值ABC,我希望逐个读取字符串并在另一个文本框中显示特定字符(例如第三个字符(c))。假设您有两个文本框和一个按钮: For i = 0 To TextBox1.Text.Length If i = 2 Then TextBox2.Text = TextBox1.Text(i) End If Next Private Sub Button1_Click(sender As Object, e As
如果它们给出值ABC,我希望逐个读取字符串并在另一个文本框中显示特定字符(例如第三个字符(c))。假设您有两个文本框和一个按钮:
For i = 0 To TextBox1.Text.Length
If i = 2 Then
TextBox2.Text = TextBox1.Text(i)
End If
Next
Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
Dim textBox1InputString As String
textBox1InputString = TextBox1.Text
' Call ToCharArray function.
Dim array() As Char = textBox1InputString.ToCharArray
' If we input ABC and we want C
TextBox2.Text = array(2)
End Sub
假设您有两个文本框和一个按钮:
Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
Dim textBox1InputString As String
textBox1InputString = TextBox1.Text
' Call ToCharArray function.
Dim array() As Char = textBox1InputString.ToCharArray
' If we input ABC and we want C
TextBox2.Text = array(2)
End Sub