Updating dataset in c Chat to horny milf on webcam
It's also useful when you get a second dataset from a component such as an XML web service, or when you need to integrate data from multiple datasets.
When merging datasets, you can pass a Boolean argument () that tells the Merge method whether to retain existing modifications in the target dataset.
I try updating my database after updating the dataset, but evenafter calling the data adapter's update function the underlying database doesn't change. Connection String = "Data Source=.\SQLEXPRESS; Attach Db Filename=|Data Directory|\Database1.mdf; Integrated Security=True; User Instance=True"; con. Show("Database Open."); string sql = "SELECT * From tbl Purchases"; da = new System.
If the dataset contains constraints (such as foreign keys or non-nullable constraints), it's possible that the record can temporarily be in an error state as you update it.Microsoft is conducting an online survey to understand your opinion of the Msdn Web site.