Prepared Statement Doesn't Insert String

Hi,

I am facing a problem while using pepared statement for inserting data in MS-Access db.








Code Snippet

private const String CONN_STR = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:\Temp\TestDb.mdb";
conDatabase.Open(CONN_STR, "", "", -1);
String sQuery = "INSERT INTO " + sTableName +
" ([FileName],[IsCopied],[Size]) VALUES (@FileName,@IsCopied,@Size)";
cmdPrepStmnt.ActiveConnection = conDatabase;
cmdPrepStmnt.CommandText = sQuery;
cmdPrepStmnt.CommandType = CommandTypeEnum.adCmdText;
cmdPrepStmnt.Prepared = true;
int iCount = 0;
foreach (FileInfo f in fInfo)
{
Console.WriteLine("Adding File " + ++iCount + " of " + fInfo.Length + "; " + f.Name);
Parameter p1 = cmdPrepStmnt.CreateParameter("@FileName", ADODB.DataTypeEnum.adVarWChar, ParameterDirectionEnum.adParamInput, 255, f.FullName);
Parameter p3 = cmdPrepStmnt.CreateParameter("@IsCopied", ADODB.DataTypeEnum.adBoolean, ParameterDirectionEnum.adParamInput, 10, false);
Parameter p5 = cmdPrepStmnt.CreateParameter("@Size", ADODB.DataTypeEnum.adInteger, ParameterDirectionEnum.adParamInput, 10, f.Length);
cmdPrepStmnt.Parameters.Append(p1);
cmdPrepStmnt.Parameters.Append(p3);
cmdPrepStmnt.Parameters.Append(p5);
cmdPrepStmnt.Execute(out objAffected, ref obj, 0);

}


Code Snippet





FileName is coming as blank in db, while in debug mode i can see that it is being set with a proper filename. The other 2 params are inserting fine.

The FileName field is set as Text field with width length 255, and the incoming data is always shorter than 255 chars. The insertion happens without any errors/exceptions. I have also tried replacing the data for filename with a string like "Test", still it is inserting blank string.

Please help.