E newvalues rowupdating null


03-Sep-2017 13:38

Suppose if we are trying to hide primary key of our table, there is actually no need to hide. In the above Snippet you are seeing a label in Item Template that means whenever we are showing Grid View to the user Label will be visible to the user. We will use Template Field, whenever we want to define some custom control in the data bound controls like Grid View, Data Grid or Data Repeater.Basically, I have one field that gets its value via a combo box, the first value in the combos represents the unassigned/not applicable/not set value, or the null value for that record, it works when I assign other values, say 1, 2, or 3, when the combo gets -1 I want to clear this value i.e. put the null value, but the line above doesn't seem to do anything, I've tried actually puts 0 instead of null. New Values collection is empty in the Row Updating event Handler. New Values contains the collection of values updated in the Grid View control. The database table used here has just two fields (sid and sname) My code is as follows: Web Page: --------------------------------------------------------------------------------------------------- im having the same problem i think: in my case i have set binding for template fields; ive a grid with 2 types of field: - bound filed editable (no the tamplate) - bound readonly field (template field) ive set Eval for the template and it is readonly, i placed also Bind to make a test but still count is zero; also had a try changing the datasource, and sure i have set the key field for the grid. OK, so I solved my problem, but not straight forward. I want to update a table based upon when the values in the gridview are edited. New Values to get the new values but the values are all null.(Even though the new numbers have been updated). Old Values, the original values are there as they come across from the stored procedure. with this code: Unfortunately, I do need the columns dynamically. I can access the original values, but I cannot get to the new values I change in the edit textboxes. -Joe Hi ecbruck My db table has the product number, Retailer, and the date as the compound key. Controls(0) 'Not sure whether index is correct in your case, you can set a breakpoint here to test 't. The stored proc is actually a crosstab/piviot generator, and I am stuck with using this because of the format of the data. I get the Retailer from the drop down list on the page, I get the Product number by using the key which I set manually (this is always column 1). ecbruck , Thanks for the idea, When I tried it as posted, I get this error: Exception Details: System. Text to find the input data and manually assign it to e.

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May be you may think why am I using link buttons as we are provided with some command field buttons by Grid View.

I confirmed this using Reflector: protected virtual void On Row Updating(Grid View Update Event Args e) { bool flag1 = base.