How can I avoid collision between 2 events?

Asked by Anonymous
17 years ago.

hi, I'm doing a C# . net project and I'm in difficult. I hope you will be help me???plsssss

For example, I made a reservation time between 07.00 am -13.00 on monday. Another people try to take monday at 8.00-14.00...That occurs a collision. I just wanna that the other person can'ttakemonday betweenthese times???

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