Sb.appendline to append multiple strings using a variable

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Using:

Environment.NewLine + SB.AppendLine(string1, string1, string1)   ); });

would yield:
string1
string1
string1

however, I have declared var "R" and want to use it with AppendLine in a correct syntax to repeat "string1" for "R" times

Environment.NewLine + SB.AppendLine(string1, R)   ); });

Is it possible?

What I have tried:

Environment.NewLine + SB.AppendLine(string1, string1, string1)   ); });

Posted 25-Jan-21 2:03am

Xlance

Updated 25-Jan-21 2:24am

v3

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OriginalGriff · Answer 1 · 2021-01-25T02:24:00

No, it wouldn't.
What you want is String.Join[^] which combines strings with a separator:

C#

string result = string.Join(Environment.NewLine, myCollectionOfStrings);

You can then generate your strings with R and combine them:

C#

string string1 = "Line ";
List<string> myCollectionOfStrings = new List<string>();
for (int R = 1; R < 10; R++)
    {
    myCollectionOfStrings.Add($"{string1}{R}");
    }
string result = string.Join(Environment.NewLine, myCollectionOfStrings);