error message "The field can not be an empty string"

Question

hello all I add a text field connected with the database Access but when I leave a blank text field and stores it in the database shows me an error.

 

 

 

how to solve it knowing that in the database accepts the empty value? 

Answer 1

hi

in that text box leave function

you give condition

 

if(textbox1.text!=string.empty) 

{

 //code

} 

else

// show message enter the data

 

Answer 2

ooooooouuuuupssssssssss. i comment the exception and execute it but it make me the same problem

 

 

 

 

 

??????? 

Answer 3

yes i make this code with exception

Answer 4

You are encountering the exception due to following reason:

 

When you are not providing any value to textbox and submitting database, it is checking the column is mandatory in your database. If you don't want to make mandatory then go to table schema and change not null property.