The ReadLine method in the C # console base StreamReader reads all the lines of the specified TXT file

1. Code

1 usingSystem;2 usingSystem.Collections.Generic;3 usingSystem.IO;4 usingSystem.Linq;5 usingSystem.Text;6 usingSystem.Threading.Tasks;7 8 namespaceConsoleApplication49 {Ten     class Program One     { A         Static voidMain (string[] args) -         { -             using(StreamReader Sreader =NewStreamReader (@"1.txt", Encoding.default)) the             { -                 stringALine; -                 //controls whether a while loop makes a variable, true print text, false jumps out of the loop -                 BOOLCondition =true; +  -                  while(true) +                 { A                      atALine =sreader.readline (); -  -                     //Aline=null launched the text read, then the control amount of condition combined if statement action is to jump out of the loop -                     //if the text is not finished reading, then the function of the condition union if statement is to output the read text -                     if(aline==NULL) -                     { inCondition =false; -                     } to                      +                     if(condition) -                     { the Console.WriteLine (aLine); *                     } $                     ElsePanax Notoginseng                     { -                          Break; the                     } +                 } A  the                  +             } - Console.readkey (); $         } $     } -}

2. txt file

3. Effect

You can also make improvements to the code, using the members that the class comes with

1. Code

1 usingSystem;2 usingSystem.Collections.Generic;3 usingSystem.IO;4 usingSystem.Linq;5 usingSystem.Text;6 usingSystem.Threading.Tasks;7 8 namespaceConsoleApplication49 {Ten     class Program One     { A         Static voidMain (string[] args) -         { -             using(StreamReader Sreader =NewStreamReader (@"1.txt", Encoding.default)) the             { -                 //if not to the end -                   while(!Sreader.endofstream) -                 { + Console.WriteLine (Sreader.readline ()); -                 } +             } A Console.readkey (); at         } -     } -}

2. Effect

The ReadLine method in the C # console base StreamReader reads all the lines of the specified TXT file