Filter dt based on Month

[ppr (Peter Preuss)]

Give a try at:
dtFiltered =

(From d in dtData.AsEnumerable
Let ds = d("Bot Modified Date").toString.Trim
Let dp = CDate(ds)
Where dp.ToString("MM-yyyy").Equals(now.AddMonths(-1).ToString("MM-yyyy"))
Select r = d).CopyToDataTable

Handling empty result:

[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.AsE…

When DateParsing has to be adapted:

[FirstAid] Datatable: Debug & Analysis invalid DateTime Strings / String to DateTime Parsing Issues

This FirstAid Tutorial will describe how DateTime parsing issues can be analyzed and handled. Click spoiler text when in a hurry: Example Assignment Following Excel data will be processed and the corresponding Quarter is to calculate for the particular task date Input data: [input_raw] Quarter Calculation Quarter = CInt(Math.Ceiling(YourDateTimeVar.Month / 3 )) Initial Implementation [initial_flow_raw] tmpTaskDate = DateTime.ParseExact(row("Date").toString.Trim, "dd.MM.yyyy", CultureInf…

Kindly note:

• we used the toString(“MM-yyyy”) trick to simply the month check
• still the of doing date compares on DateTime DataType base is valid and should be applied