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How to make the user select the start date of the sample?
There is a db in which there is a table with two columns: date with time and number. Based on this table, a graph is built using pagination. It is necessary to make it possible for the user to set the sampling start time for drawing the graph and the number of points on the graph. The problem is that the data is taken from an insert, so only the first page of the graph is displayed, an error occurs when moving to the next page. You need to somehow store the date and number entered by the user so that they can be used in other queries. Tried to do it with sessions, but without success. Help me please.
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