How to Filter non numeric value on datatable using linq

[joscares (Joshua Oscares)]

how can i filter this kind of value on datatable using linq?

[Yoichi]

Hi,

How about the following expression?

dt = dt.AsEnumerable.Where(Function(r) System.Text.RegularExpressions.Regex.IsMatch(r("merchantorderid").ToString,"^\d+$")).CopyToDataTable()

Regards,

[supermanPunch (Arpan)]

Hi @joscares ,

Alternately, maybe using IsNumeric to check whether the value in cell contains a non-numeric or not :

dt = dt.AsEnumerable.Where(Function(r) r("merchantorderid").ToString.Trim.IsNumeric).CopyToDataTable()

Also, to handle the Conversion to Datatable Error, check the following post :

[FirstAid] Handling of The source contains no DataRows exception

This FirstAid Tutorial will describe how a the source contains no DataRows EXCEPTION can be handled. Introduction Let’s have a look at the following filter data table scenario: Name CCode Tom US Charlotte FR Seema IN Jean FR Assignment: Filter all rows on a particular Country Code like FR, UK, ES, UK… Ensure that all CCode data column values are trimmed Ensure that the Filter check is case insensitive we can implement it e.g. with the help of a LINQ statement: dtData.As…