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c#buttonlastindexof

button name last letters

I have about about 30 buttons each contain text and then a number and i just need to put the number in the other button

like in the example button1.Name should be test3

Is this possible?

i know that LastIndexOf doesnt work like this, it's for giving the idea what i want to adchieve

button1 = "hello1"; //this varies in normal program
button2 = "notimportant3"; //this varies in normal program

button1.Name = "test"+button2.Name.LastIndexOf(1);
Solution 
  • button1.Name = "test" + button2.Name[button2.Name.Length-1];

    or better use string.Format() to format the string

    like

    button1.Name  = string.Format("test{0}", button2.Name[button2.Name.Length-1]);