You tried to assign the Null value to a variable that is not a Variant data type !



Category : ASP & ASP.net

For small applications it is proper to use AccessDataSource object in order to access the database directly from asp.net page. When i first used it for inserting data with formview, it generated the following error :
"You tried to assign the Null value to a variable that is not a Variant data type"
today i tried the same thing again and it generated the same error again.
I found out that in the generated mark up, although id field is of type autonumber and primary key, visual studio generates a parameter for that field in the markup of the aspx page. I deleted those parameters from the insert command of AccessDataSource and FormViews Insert and Edit Item templates. Then


View Replies

Related to : You tried to assign the Null value to a variable that is not a Variant data type !


assign the Null value to a variable that is not a Variant data type.
Category : Databases
assign the Null value to a variable that is not a Variant data type.
 
Hello Everyone,
I trying to upgrade our Alpha 4v4 Dos Database to MS SQL 2000 with Access XP front end and I have four tables that wont let import my data into them. I keep recieveing a message that

View Replies


You tried assign the Null value to a variable that is not a Variant data type
Category : Programming Languages

I know this is stupid and I Googled lots of answers on this questions but my knowledge in Visual Studio 2010 and Access 2013 and coding are very limited. so I didn't use any coding on this method, fully use Visual Studio web developer interface.


So I am using Access 2013 as my databa


View Replies


You tried to assign the Null value to a variable that is not a Variant data type. (Er
Category : Access
Hi,
I am getting this error 'You tried to assign the Null value to a variable that is not a Variant data type. (Error 3162)' I know why I am getting the error, I found out that Form and Subform should be implemented only with one-to-many relationships where the Subform is the many end. Ho

View Replies


You tried to assign the Null value to a variable that is not a Variant data type. !!
Category : ASP & ASP.net

Good day

 

I would like to enquire about a seemingly basic problem that i am struggeling with. I have been trying to add information to an access database and as i am inserting this information I get the error message stating that I tried to assign the Null value to a variabl


View Replies


You tried to assign the Null value to a variable that is not a Variant data type. !
Category : ASP & ASP.net

Hi All,

 Getting this error when trying to insert into MS Access from FormView.  I've removed the autonumber field (Bulletin_ID) from the InsertCommand and InsertParameters section (like so many of the posts I've found on the web say to do), but it hasn't help.  A


View Replies


You tried to assign the Null value to a variable that is not a Variant data type
Category : Access
After almost 9 months the above error has started popping up on my users PC's.
Any Ideas? Has Microsoft published a patch that broke existing code?
Access 2007

View Replies


You tried to assign the Null value to a variable that is not a variant data type
Category : Development
Hi. Im working with a form that contain text boxes ( Invoice_num auto number, and Invoice_date bound to the table Invoice) , and a subform contains (num (and its an auto number also) , article, size, qty, price,....)
and here is the SQL of the subform:
Code:
Expand|Select|Wrap|L

View Replies


Help???? You tried to assign the Null value to a variable that is not a Variant data type. ????
Category : ASP & ASP.net
while i am trying to insert a new data into the database with ASP.NET, i receive this message ..... what is this about and how i should solve it?? Please hlep... thank you

View Replies


You tried to assign the Null value to a variable that is not a Variant data type.
Category : ASP & ASP.net

I have added a FormView with Insert enabled to my webpage with an Access Database as the datasource. When trying to run the page I get the error;

You tried to assign the Null value to a variable that is not a Variant data type.

This was my SQL:

<

View Replies


You tried to assign the Null value to a variable that is not a Variant data type !!
Category : ASP & ASP.net

Hi

i have an access 2007 DB that I am trying to publish on the web using Web Developer 2008 express. i keep getting this error when trying to insert new records.

Server Error in '/' Application.
--------------------------------------------------------------------------------


View Replies


2012 / 2017 Copyrights BigHow , All Rights Reserved .