datagrids validate cells

[Elric_The_Melnibonian]

kalimera.

exo mia erotish. ftiaxnw ena datagrid apo mia oracle . stin oracle exo orisei to pedio arithmitiko. thelo otan grafei se ena pedio o xrhsths na kano validate ta stoixeia prin pane na kataxorithoun kai ara an valei xaraktires px sto arithmitiko na emfanizo diko mou error, na menei sto keli kai na min paei na kataxorisei kai na emfanizei to diko tou to katevato. Kapos san to validate pou exei to excel px. antistoixo den vrika sta properties ton keliwn tou datagrid

 

vazo to event mou me mia function dikia mou isnumeric sto Cellchange kai sto Currentcell value change alla pali to diko tou error skaei proto. ypoptevome kati prepei na kanw me ecxeptions alla den katexw

 

PS. epeidh tora arxizo an mporousate me kapoio paradeigma i oso pio katanoita ginete efharistw ;P