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Can't translate program from VB to C#
Posted on 2012-12-26
I have a Visual Studio VB.NET program with one form. The form has one text box and one button. You enter text in the text box, click the button, and your input is saved in a new text filed called TextFile1.txt. It works fine. Here's the code for the Button1_Click.
Private Sub Button1_Click(sender As System.Object, e As System.EventArgs) Handles Button1.Click
My.Computer.FileSystem.Wri
("c:\TextFile1.txt", TextBox1.Text, False)
MsgBox("File saved as TextFile1.txt")
End Sub
I tried to create the same program in Visual C#, but it doesn't work. Here's the code for the Button1_Click.
private void Button1_Click(object sender, EventArgs e)
{
System.IO.File.WriteAllLin
(@"C:\TextFile2.txt", TextBox1.Text);
Microsoft.VisualBasic.Inte
("File saved as TextFile2.txt");
}
I don't know how to make the C# version work. I'm going to attach both programs
to http://www.ee-stuff.com/Expert/Upload/upload.php as zip files because this page won't let me attach them.
Private Sub Button1_Click(sender As System.Object, e As System.EventArgs) Handles Button1.Click
My.Computer.FileSystem.Wri
("c:\TextFile1.txt", TextBox1.Text, False)
MsgBox("File saved as TextFile1.txt")
End Sub
I tried to create the same program in Visual C#, but it doesn't work. Here's the code for the Button1_Click.
private void Button1_Click(object sender, EventArgs e)
{
System.IO.File.WriteAllLin
(@"C:\TextFile2.txt", TextBox1.Text);
Microsoft.VisualBasic.Inte
("File saved as TextFile2.txt");
}
I don't know how to make the C# version work. I'm going to attach both programs
to http://www.ee-stuff.com/Expert/Upload/upload.php as zip files because this page won't let me attach them.
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11 Comments
Active 3 days ago
"...but it doesn't work."
That's pretty vague. What happens that shouldn't, or doesn't that should?
That's pretty vague. What happens that shouldn't, or doesn't that should?
I get a dialog box that says "There were build errors. Would you like to continue and run the last successful build?"
I click No to close the box, and then these errors appear at the bottom of the IDE.
Error1 on line 22 says "The best overloaded method match for 'System.IO.File.WriteAllLi
has some invalid arguments"
Error 2 on LIne 22 says"Arugment2: cannot convert 'string to 'string[]'
I click No to close the box, and then these errors appear at the bottom of the IDE.
Error1 on line 22 says "The best overloaded method match for 'System.IO.File.WriteAllLi
has some invalid arguments"
Error 2 on LIne 22 says"Arugment2: cannot convert 'string to 'string[]'
When I tried
My.Computer.FileSystem.Wri
Microsoft.VisualBasic.Inte
I got this error
"The name 'My' does not exist in the current context"
My.Computer.FileSystem.Wri
Microsoft.VisualBasic.Inte
I got this error
"The name 'My' does not exist in the current context"
Both versions of the program are on http://www.ee-stuff.com/Expert/Upload/upload.php under Question 27977913.
Active 3 days ago
Try:
private void Button1_Click(object sender, EventArgs e)
{
System.IO.File.WriteAllLin
Microsoft.VisualBasic.Inte
}
private void Button1_Click(object sender, EventArgs e)
{
System.IO.File.WriteAllLin
Microsoft.VisualBasic.Inte
}
When I tried
private void Button1_Click(object sender, EventArgs e)
{
System.IO.File.WriteAllLin
Microsoft.VisualBasic.Inte
}
I got these two errors again
Error1 "The best overloaded method match for 'System.IO.File.WriteAllLi
Error 2 "Arugment2: cannot convert 'string to 'string[]'
private void Button1_Click(object sender, EventArgs e)
{
System.IO.File.WriteAllLin
Microsoft.VisualBasic.Inte
}
I got these two errors again
Error1 "The best overloaded method match for 'System.IO.File.WriteAllLi
Error 2 "Arugment2: cannot convert 'string to 'string[]'
private void Button1_Click(object sender, EventArgs e)
{
System.IO.File.WriteAllLines(@"C:\TextFile2.txt", TextBox1.Text.ToArray, Encoding.UTF8);
Microsoft.VisualBasic.Interaction.MsgBox("File saved as TextFile2.txt");
}
Active 3 days ago
I see. Try:
private void Button1_Click(object sender, EventArgs e)
{
arrText = (string[])TextBox1.Text;"
System.IO.File.WriteAllLin
Microsoft.VisualBasic.Inte
}
It looks like WriteAllLines is looking for an array as its second parameter. I'm not a C# guy, so I may have flubbed the cast as arrText. If so, I'm sure you can fix it.
private void Button1_Click(object sender, EventArgs e)
{
arrText = (string[])TextBox1.Text;"
System.IO.File.WriteAllLin
Microsoft.VisualBasic.Inte
}
It looks like WriteAllLines is looking for an array as its second parameter. I'm not a C# guy, so I may have flubbed the cast as arrText. If so, I'm sure you can fix it.
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