This textbox mission is to receive number data only , so if the textbox has numbers stored inside, it will clear itself before receiving new data.
If I were to type out this requirement through C# coding, how should I type the code????

Start by defining the "receiving new data" operation, the rest will fall into place automatically.  I suspect what you are looking for is a Value property of type decimal, much like NumericUpDown.

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Hans Passant.

Hi Heri Tony,

This textbox mission is to receive number data only , so if the textbox has numbers stored inside, it will clear itself before receiving new data.

Could you please clarify your issue more? Do you mean that we can only enter number data in textbox?

Best regards,
Yichun Chen

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Hi Heri Tony,

We are changing the issue type to “Comment�because you have not followed up with the necessary information. If you have more time to look at the issue and provide more information, please feel free to change the issue type back to “Question�by editing your initial post and changing the radio button at the top of the post editor window. If the issue is resolved, we will appreciate it if you can share the solution so that the answer can be found and used by other community members having similar questions.

Thank you!

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