- When i open existing entry from view they show error message Unable to cast of type (See in screenshot) Same message show clicking on OK,View button
- Change label subject name to standard in view
- Make grid in full screen
- After Save and edit  entry screen not refresh
- Save data with out entry then all validation message show at a time and other "Object reference not set to an instance of an object" message showing
- When i delete existing entry they show error message "Cannot find table 0."
- Edit existing entry then show error message "unable to cast object type".
- When i Add new entry and revert without saving then after Edit and Delete button getting Enabled 
- After that Edit blank entry and make revert then all entry form getting editable