plz help! how to update rows in dataset

i want to update rows and make changes to database but i've got this error

error:Error 1 No overload for method 'Update' takes '2' arguments

Code:

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rowIndex = serviceLogDataGridView.CurrentCellAddress.Y;

                    dsJPS.Tables["ServiceLog"].Rows[rowIndex]["Date_Serve"] = dateTimePicker1.Value;
                    dsJPS.Tables["ServiceLog"].Rows[rowIndex]["tech_Assigned"] = comboBox1.SelectedValue.ToString();
                    this.serviceLogBindingSource.EndEdit();
                    this.serviceLogTableAdapter.Update(newSet, "ServiceLog");

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First up, you can't just make up what parameters a method has. As you type, Intellisense will tell you want parameters a method has so you have to provide suitable arguments. You've obviously just typed something in there that had no similarity to what Intellisense told you. Take notice of the information the IDE is trying to give you.

Apart from that, if you've got a TableAdapter then you've got a typed DataSet, yet you're using it like it's untyped, which is a waste. If you're going to create a typed DataSet then use it. Assuming that 'dsJPS' is your typed DataSet, this:

csharp Code:

dsJPS.Tables["ServiceLog"].Rows[rowIndex]["Date_Serve"] = dateTimePicker1.Value;

should be this:

csharp Code:

dsJPS.ServiceLog[rowIndex].Date_Serve = dateTimePicker1.Value;

If 'dsJPS' isn;t your typed DataSet then why do you have it at all? Maybe 'newSet' is your typed DataSet. If so, what's 'dsJPS' for?

It looks to me like you're trying to use the TableAdapter like it's a DataAdapter. You don't pass the name of the table to the Update method of a TableAdapter because it already knows what table it's updating, which is the whole point of TableAdapters.