字符串将单引号替换为C＃中的双引号

Question

如何在C＃中的字符串中用双引号（“）替换单引号（'）？

Answer 1

You need to use the correct escape sequence for the quotes symbol, you can find more information about escape sequencies here .

String stringWithSingleQuotes= "src='http://...';";
String withDoubleQuotes = stringWithSingleQuotes.Replace("'","\"");

Answer 2

var abc = "hello the're";
abc = abc.Replace("'","\"");

Answer 3

string str;
str=strtext.Replace('"','\'');