c# - Data type Mismatch in criteria expression in MS Accss2010 -

i tried execute insert query, throwing above error. have given code below.

public string insertmovedetails(string desc, string currentlocation, string newlocation, string newbay, string requestedby, string movedby, string approvedby, datetime dateofmove) {          string desc, currentlocation, newlocation, movedby, approvedby, requestedby,newbay;         datetime dateofmove;          desc = textboxdescription.text;         currentlocation = textboxcurrentlocation.text;         newlocation = comboboxnewlocation.text;         movedby = comboboxmovedby.text;         approvedby = comboboxapprovedby.text;         dateofmove = datetimepickerdateofmove.value;                    newbay = textboxnewbay.text;         requestedby = textboxrequestedby.text;          con.open();         oledbcommand cmd1 = new oledbcommand("insert movedetails(descrptn, currentlocation, newlocation, newbay, requestedby, movedby, approvedby, dateofmove) values(@descrptn, @currentlocation, @newlocation, @newbay, @requestedby, @movedby, @approvedby, @dateofmove)", con);          cmd1.parameters.addwithvalue("@descrptn", desc);         cmd1.parameters.addwithvalue("@currentlocation", currentlocation);         cmd1.parameters.addwithvalue("@newlocation", newlocation);         cmd1.parameters.addwithvalue("@newbay", newbay);         cmd1.parameters.addwithvalue("@requestedby", requestedby);         cmd1.parameters.addwithvalue("@movedby", movedby);         cmd1.parameters.addwithvalue("@approvedby", approvedby);         cmd1.parameters.addwithvalue("@dateofmove", dateofmove);          cmd1.executenonquery();         con.close();         return "";     } 

my database columns , respective types

descrptn- text
currentlocation- text
newlocation- text
newbay- text
requestedby- text
movedby- text
approvedby- text
dateofmove- date/time

please me error. tried other threads same error, can't find answer.

try removing @ parameter , in sql replace parameters ?, dont think access supports named parameters.