Next change the below code for to filter the records based on filter’s.
Filter(
‘Student Registration’,
IsBlank(ComboboxCanvas1.Selected.Name) || Name=ComboboxCanvas1.Selected.Name,
IsBlank(ComboboxCanvas1_1.Selected.’Date of Birth’) || ‘Date of Birth’=ComboboxCanvas1_1.Selected.’Date of Birth’,
IsBlank(ComboboxCanvas1_2.Selected.ID) || ‘Date of Birth’=ComboboxCanvas1_2.Selected.ID,
IsBlank(ComboboxCanvas1_3.Selected.Mail) || ‘Created By’.Email= ComboboxCanvas1_3.Selected.Mail,
IsBlank(ComboboxCanvas2.Selected.’Roll No’) || ‘Roll No’= ComboboxCanvas2.Selected.’Roll No’
)