How to put text + string into textbox

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I want my textbox to write text + string

string a = "Morning"
textBox2.Text = ("Good {0}", a);

for an textbox output of "Good Morning" however it doesn't work

What I have tried:

but how come this on console application works

Console.WriteLine("temperature on Thursday is {0} degrees ", temperature);

Posted 12-May-18 11:23am

Member 13819314

Updated 12-May-18 16:29pm

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Dave Kreskowiak · Accepted Answer · 2018-05-12T16:31:00

Sigh...

C#

string a = "Morning";
textbox2.Text = string.Format("Good {0}", a);

The reason it works in WriteLine is because you're using an overload of WriteLine that specifically handles the string.Format() call for you.

That's not how string handling and assignments work though.

However, in newer versions of C#, you can do this:

C#

string a = "Morning";
textbox2.Text = $"Good {a}";