Update is not happening in Datagrid WPF

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Update is not happening with this code .please help me to resolve it

C#

 public ProductsTableAdapter pta;
 public ProductsDS dataset;
         private void button1_Click(object sender, RoutedEventArgs e)
                {                       
                ProductsDS dataset = new ProductsDS();
                ProductsTableAdapter pta = new ProductsTableAdapter();                                                                                                                                  this.CustomerGrid.ItemsSource = dataset.Products;
                pta.Fill(dataset.Products);  
               }
private void button2_Click(object sender, RoutedEventArgs e)
        {                       
                pta.Update(dataset.Products);        

            
           
        }

Thanks in advance

Posted 3-Jan-12 7:24am

MohammadIqbal

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Wendelius · Answer 1 · 2012-01-03T08:08:00

Solution 1

First thing to check is the UpdateCommand defined properly. Also do you get any errors when Update is executed?

Posted 3-Jan-12 8:08am

Wendelius

Comments

[no name] 3-Jan-12 14:26pm

Null Exception error is occuring

Wendelius 3-Jan-12 14:29pm

That sounds very much like the update command is not set at all. Have you checked it? For example using debugger, see the properties of the pta