I am working on an inventory application system that is updating tracking forms, and I recently converted from System.Web.Mail to System.Net.Mail.
However in regards to an exception if-else statement I made that handles when an item transfer fails, I get a:
"Cannot implicitly convert type 'string' to 'System.Net.Mail.MailAddressCollection" error for the following code block:
else //If the Item Transfer Fails
{
_formToUpdate.WorkFlowStep = "d";
_formToUpdate.InventoryCertifier_Initials = dbcontext.Custodies.Where(x => x.Custody_eraider == User.Identity.Name.ToLower()
_formToUpdate.InventoryCertifierInitials_DtTm = DateTime.Now;
_formToUpdate.IsFormLockedforEditing = true;
//The notification lists are different in both cases.
NotificationEmail.To = dbcontext.Custodies.Where(x => x.Custody_eraider ==
_formToUpdate.TransferFrom_Sign).Single().Custody_Email + ","
+ dbcontext.Custodies.Where(x => x.Custody_eraider == _formToUpdate.TransferTo_Sign).
Single().Custody_Email + "," + dbcontext.Custodies.Where(x => x.Custody_eraider ==
_formToUpdate.Form_Approv_Reject_By).Single().Custody_Email + ","
+ dbContext.Custodies.Where(x => x.Custody_eraider == _formToUpdate.InventoryCertifier_
Initials).Single().Custody_Email;
}
The error just occurs in the portion of the code that starts with NotificationEmail.To = ...
I'm just not too sure how to go about revising that statement properly.
Any help would be greatly appreciated. If I need to provide more detailed info, please let me know. Thanks!
The error is telling you that you cannot convert a string to a MailAddressCollection.
In the System.Net.Mail.MailMessage class, the To property is a MailAddressCollection, not a string as it was in System.Web.Mail.MailMessage.
You'll need to add the email address(es) to that collection. The MailAddressCollection has an Add method that looks like it takes a string in the same format as before, so your code should probably look like:
NotificationEmail.To.Add(/* your expression here */);
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