A buffer passed to a system call is too small to hold return data ERROR

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I was able to connect to

iSeries Access ODBC Driver

using ASP.Net.
Simple where clause and select is working but when I have encountered the WHERE IN CLAUSE it throws back error.
My code is like this below:

Dim sql as string ="Select * from table where column in (?)"

cmd.Parameters.Add("", Odbc.OdbcType.Char).Value = txt_Param.Text

and my textbox will have value of 'a','b','c'

I am getting this error:

ERROR [22018] [IBM][iSeries Access ODBC Driver]Column 1: CWB0111 - A buffer passed to a system call is too small to hold return data ERROR [22001] [IBM][iSeries Access ODBC Driver]Column 1: Character data right truncation.

I figured out that parameters is one is to one. how will i have many parameters in odbc?

What I have tried:

Tried changing string and adding commas but it is not working

Posted 11-Oct-17 14:07pm

NekoNao

Updated 12-Oct-17 7:38am

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Richard Deeming · Accepted Answer · 2017-10-12T07:38:00

Something like this:

VB.NET

Dim sql As New StringBuilder("SELECT * FROM table WHERE column IN (")

Dim parts As String() = txt_Param.Text.Split(","c)
For i As Integer = 0 To parts.Length - 1
    cmd.Parameters.Add("", Odbc.OdbcType.Char).Value = parts(i)
    If i <> 0 Then sql.Append(", ")
    sql.Append("?"c)
Next

sql.Append(")"c)
cmd.CommandText = sql.ToString()

You might want to look at Dapper[^], which makes this sort of query much easier.