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when I used 'MyQuery.Params[x].Clear' for inserting some empty dates in a column database i have an error message so i am forced to use the following syntax : MyQuery.Params[x].AsDate := 0. Is it normal ?

and also I can't use the syntax MyQuery.Params[x].AsDateTime to insert some date values in a table


Do I use the good syntax for doing these actions ?

Thank you for your time !

Please submit the create table script.

Do you use DbxSda or MyDAC?

that's ok i'll find the solution this was because i didn't initialize params[j].DataType