i am open a file on conditional base
FormPath="format01.txt";
if(!Utility.GetParam("File").Equals(null) || !Utility.GetParam("File").Equals("")){
FormPath=ConfigurationSettings.AppSettings["FormPath"]+Utility.GetParam("File")+".txt";
}
FileStream aFile = new FileStream("format01.txt", FileMode.Open);
try{
if(!Utility.GetParam("File").Equals(null) || !Utility.GetParam("File").Equals("")){
aFile = new FileStream(FormPath, FileMode.Open);
}
but the error is
: An object reference is required to access non-static member
how to resovle error and open a file on conditon base
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