error: method arguments must be enclosed in parentheses

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hi, i am having this code for reading all lines

VB

Do While sr.Peek() >= 0
    line = sr.ReadLine() 
Loop

but i am getting an error on first line which says: method arguments must be enclosed in parentheses

Posted 15-May-13 20:20pm

shashank 1068

Updated 15-May-13 20:37pm

Maciej Los

v3

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MuhammadUSman1 · Answer 1 · 2013-05-15T20:40:00

Try this

C#

string fileText = string.Empty;
                using (StreamReader sr = new StreamReader("YoufilePathHere"))
                {
                    fileText = sr.ReadToEnd();      //it will read all text of file.
                }

in VB

VB

Dim fileText As String = String.Empty
Using sr As New StreamReader("YoufilePathHere")
		'it will read all text of file.
	fileText = sr.ReadToEnd()
End Using

OriginalGriff · Answer 2 · 2013-05-15T20:41:00

Solution 2

The problem is not in the code fragment you show: That is perfectly valid and will compile without problems.

Look at the code immediately before this, It is likely that you have forgotten something, or left a spurious underline somewhere. Try double clicking on the actual error message - it may take you to the line with the real problem.

If not, we would need a larger code fragment to help!

Posted 15-May-13 20:41pm

OriginalGriff

Comments

shashank 1068 16-May-13 2:47am

i am getting an error on >=0

OriginalGriff 16-May-13 3:13am

If I copy and paste your code into my app:
Private Sub Button1_Click(sender As System.Object, e As System.EventArgs) Handles Button1.Click, Button2.Click
Dim sr As StreamReader
Dim line As String
Do While sr.Peek() >= 0
line = sr.ReadLine()
Loop
End Sub
It compiles ok - it complains that "sr" is not initialized, but that's all.
The problem is not in that code - it's earlier in your method and that's affecting the line you see.
What's the rest of the method look like?

shashank 1068 16-May-13 2:48am

it alo says expression expected

**VICK** · Answer 3 · 2013-05-15T20:42:00

Solution 3

I am new to programming , but I think the following line is creating problem.

sr.Peek() >= 0

as compiler is considering >=0 as argument of "sr.Peek()"

so get the result of function in some variable or like something, and dn put comparison operator on that.

Regards.

:)

Posted 15-May-13 20:42pm

VICK

Maciej Los · Answer 4 · 2013-05-15T20:46:00

First of all, have a look here: Method arguments must be enclosed in parentheses[^]

Try to change line which occurs error to:

VB

Do While (sr.Peek() > -1)

Why do i made some changes in your code?

Quote:
An integer representing the next character to be read, or -1 if there are no characters to be read or if the stream does not support seeking.

More: StreamReader.Peek (VB.NET)[^]

error: method arguments must be enclosed in parentheses

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