How to provoke deletedrowinaccessibleexception

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Hi,

Can anyone provide a sample that throws DeletedRowInaccessibleExceptionn?

Background:
I have to find out about a non reproducible error (and I'm not a big expert in datatables). In my production code I once got DeletedRowInaccessibleException somewhere in a large codeblock (and I don't know the line number as we do not provide pdb files). So my first approach is to find a sample that produces the exception (with which I currently fail already). All I get so far is RowNotInTableException

Am using .net 4.6.2

Many thanks in advance

What I have tried:

C#

void test()
        {
            DataTable dt = new DataTable();
            dt.Columns.Add("col1", typeof(string));
            dt.Columns.Add("col2", typeof(long));
            DataRow dr1 = dt.NewRow();
            dt.Rows.Add(dr1);
            dr1.ItemArray = new object[] { "a", 123L };
            DataRow dr2 = dt.NewRow();
            dt.Rows.Add(dr2);
            dr2.ItemArray = new object[] { "b", 456L };
            dr1.Delete();
            Console.WriteLine("value 1/1: {0}", dr1.ItemArray[0]); //<-- throws RowNotInTableException. What do I need to do to get DeletedRowInaccessibleException?
        }

Posted 14-Feb-17 21:56pm

vmp5

Updated 14-Feb-17 23:05pm

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Karthik_Mahalingam · Accepted Answer · 2017-02-14T23:05:00

You will get this exception, when you are trying to access the deleted row from a Typed Dataset

Quote:
What do I need to do to get DeletedRowInaccessibleException?

Right Click the project -> Add -> New Item -> Data -> DataSet -> Name it as DataSet1.xsd
in the designer window -> right click -> add -> DataTable -> Name it as DataTable1 -> right click the header of the table and -> add -> 2 Columns ( name it as Column1 and Column2 ) -> Save

now execute this code

C#

static void Main(string[] args)
        {
            try
            {
                DataSet1 ds = new DataSet1();
                ds.DataTable1.AddDataTable1Row("1", "One");
                ds.DataTable1.AddDataTable1Row("2", "Two");
                ds.AcceptChanges();
                ds.DataTable1.Rows[0].Delete();
                foreach (DataSet1.DataTable1Row row in ds.DataTable1.Rows)
                {
                    string temp = row.Column1;
                } 

            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.Message);
                 
            }
 
        }