how to remove certain parts of int in textbox

See more:

C#

C#4.0

Hello

I have a little problem

in textbox I have this numbers

,1,,2,,4,,6,,8,

exactly like I have written it
and I want to remove ,2, so that

,1,,4,,6,,8, stays in textbox

but thru code
not by selection

I have tried textbox.Text = textbox.Text.Remove(",2,");


but its not good

any help please