error while reading file

Question

I am unable to read the text file in windows form . i am getting the following error

 

An unhandled exception of type 'System.NotSupportedException' occurred in mscorlib.dll

 

Additional information: The given path's format is not supported.

 

I had written like this:

 

String^ strfilename = openFileDialog1->InitialDirectory + openFileDialog1 + filename;

String^ readfile = File::ReadAllText(strfilename);

 

can anyone tell me what I could do 

Answer 1

Check this..It might be helpful.

http://humrahimcs.wordpress.com/2010/09/21/how-to-add-currency-symbol-in-gridview-priceamount-column/

Answer 2

thankx for reply but will it be work in case if i will display the total price....
because i think it will display an error during addition of price like "usd 1231 + usd 2465"

what will i do to resolve this problem.?

Answer 3

try this

before binding the datatable to gridview.
foreach(DataRow dr in datatable1)
{
dr["price"]=ConfigurationSettings.AppSettings["Currency"] + dr["Price"].ToString();
}

and in web.config.

<AppSettings>
<add key="Currency" value ="USD"/>
</AppSettings>