No value given for one or more required parameters error in c#?

Question

Am getting error while loading form there I bind table to gridview. Am getting error in this line

// TODO: This line of code loads data into the 'invoiceDataSet.PurchaseOrder_1' table. You can move, or remove it, as needed.
        this.purchaseOrder_1TableAdapter.Fill(this.invoiceDataSet.PurchaseOrder_1);

Whats is my mistake ??

Answer 1

I don't know exactly what was the problem. But I solved it by deleting the table from dataset and add new table to dataset.