How to get field size of acces DB column from VB.NET code

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HI..
I am using VB.Net with access DB and i have 1 table in DB and in that i have column of data type short text with some size.
Now the thing is i want to know the data type of column and if it is short text then field size of this column using vb.net code.

What I have tried:

VB

sSql = "select STATUS from tblTimeRegister"
ds = New DataSet
If Common.servername = "Access" Then
    adapA = New OleDbDataAdapter(sSql, con1Tmp)
    adapA.Fill(ds)
Else
    adap = New SqlDataAdapter(sSql, Common.con)
    adap.Fill(ds)
End If
'Dim dc As DataColumn =
MsgBox(ds.Tables(0).Columns(0).DataType.ToString)

here i can get the datatype, but it gives same value for longtext and short text that is system.string.
so how to make out the difference between this two

Posted 20-Jul-19 8:49am

Nitin Surya

Updated 22-Jul-19 8:53am

Nelek

v2

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Richard Deeming · Answer 1 · 2019-07-22T08:54:00

Retrieving Database Schema Information | Microsoft Docs[^]

Basically, you need to call GetOleDbSchemaTable[^] on your connection, passing in OleDbSchemaGuid.Columns[^] as the schema, and an array containing (Nothing, Nothing, "tblTimeRegister", "STATUS") for the restrictions.

The returned schema table[^] will tell you everything you need to know about the column.