Hi All I Have Some Text Message In Single Dimensional But I Want To Convert That Whole Sting Into Two Dimensional String Any One Can Help Me Plz

Do you really expect anybody to know anything about how data is arranged in memory after two decades of leaving all this to the framework and the garbage collector?

Yes, I do. It does not have to be remembered, it's enough to understand the idea to figure it out.
Many cannot even imagine how much of old ideas are still fully applicable, even to .NET.
—SA

By my experience there is only a small group of good developers between the blissfully ignorant and the painfully arrogant, Both groups insist that such 'low level stuff' is handled by the compiler nowadays and that learning anything about this is a waste of time.