How to validate data table(datas) in data set?

Question

i have one dataset and multiple(like 4 or 5 tables) datatable(with different rows and columns count). In this data table i have some mandatory field to validate. 1.item number (itemnumber:12)(itemnumber is description it is in any row and the value of item number(12) is next same row and next column of the description) 2.manufacturer name 3.rev number. now i want to validate the in this manner how to do it.   What I have tried: I used if (ds.Tables[i].Rows[12][25].ToString() == ) { dt.Rows.Add(); dt.Rows[mn][0] = Item number Should be mandatory; } in this code particular field is empty to add the message to one table and show.but the column and row values are changed.

Bikesh Srivastava · Answer

Hi try this code if resolve mark as answer otherwise reply me. public bool HashDataset(DataSetds) { if (!ds.Tables.Contains( NameDataset )) return false ; int index=ds.Tables[ NameDataset ].Rows.Count; if (index return false ; return true ; }

Vinay Singh · Answer

check the link this will help you https://msdn.microsoft.com/en-us/library/kx9x2fsb.aspx http://www.c-sharpcorner.com/blogs/how-to-validate-dataset-with-data-in-c-sharp1 http://stackoverflow.com/questions/2976473/how-to-test-if-a-dataset-is-empty