You could try to build a query that contains all data. Use a case. It could look like this. I'd go for a TempTable approach because that way you aren't locking anything. Complete answer, disclaimer: arrow code; this is mine built from research; Published in SqlRapper. It uses custom attributes over properties to determine whether a key is primary. Yes, super complicated.
Yes super reusable. Yes, needs to be refactored. Yes, it is a nuget package. No, the documentation isn't great on github, but it exists. Will it work for everything? Probably not. Will it work for simple stuff?
Oh yeah. Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Collectives on Stack Overflow. Learn more. Bulk Update in C Ask Question. Asked 8 years ago. Active 1 year, 4 months ago.
Viewed k times. Add prop. Name, Nullable. GetUnderlyingType prop. NewRow ; foreach PropertyDescriptor prop in properties row[prop. GetValue item?? Value; table. Not sure I got the point you are going to archive If your question is about quick replacing entire table content, than I would go for truncate technet. But this approach will only work in case you have no foreign key constraints.
My Indian workmate confirmed the term EvertonAgner — Roger Oliveira. Add a comment. Active Oldest Votes. WriteToServer dt ; bulkcopy. Mmmm, I don't know a way to perform a direct bulk update from.
NET as is. However, other alternative to handle multiple data could be using a DataSet, but you must select the data before in it which is a disadvantage for big amounts of data , then update the corresponding DataTable and finally persist the changes in database.
But I don't think it handles the update internally as a bulk, but more as a batch of updates. What is clsBulkOperation? It is not recognized in my program — Niloofar. What is User Defined table type? User defined table type is cutom user defined datatype which will contain data in tabular format. We can use these datatypes to pass as parameter in stored procedure which is known as Table Valued Parameter.
We will create user defined table type for Employee as below. If value of Id column already exists in table then it will update the rest of the field else it will insert the new record. Step 5 Now we will see how to test the stored procedure spBulkImportEmployee created in an earlier step. We have to create a variable of User defined table type to pass it as parameter of procedure.
Thanks for reading this article. Let me know your feedback to enhance the quality of article. In my next article I will demonstrate how to call this stored procedure through Asp. Net MVC Application. OK Paste as. Treat my content as plain text, not as HTML. Existing Members Sign in to your account. This email is in use. Do you need your password? Submit your solution! When answering a question please: Read the question carefully. Understand that English isn't everyone's first language so be lenient of bad spelling and grammar.
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