asp.net - Setting Values for Invisible Fields/Properties in DetailsView -

asp.net - Setting Values for Invisible Fields/Properties in DetailsView -

I have a description view that has two fields - which is not visible, it is not. User first fills, second I want to auto populate. Unfortunately, I can not find a way to set the value in this second invisible field. I have tried to add code to Page_load in this way:

  If not, then it is the Istobac description then View 1. Default mode = DetailsViewModel.example.txt text box = DirectCast (DescriptionView 1.Find control ("type"), text box) Txt1.Text = "administrator" end if    but this "object reference Returns an error not set for an instance of an object. " Any ideas about how to accomplish this - either on the method or using any other method?  
 The end result is expected to be that when a new record is inserted through a description view, then this record is registered with the user name (user) as well as the "type" of "administrator"  < / Div> 
 
  You should set the style of style Control:  
  style = "visibility: hidden; Height: 0 "   The browser will not show them in this way.  
 If you set the control on the server to invisible, no HTML will be provided.  
  Edit:  You can also use a hidden field:  
  & lt; Asp: HiddenField runat = server value = "some value" />    However, to keep information on the server, the session variable may be better or in some cases the information can be processed in the hidden areas of the customer).   

 


  







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