update ole object field in ms access 2007 from vb.net

Question

0.00/5 (No votes)

See more:

How can i update an ole object field in ms access 2007 from c#.net?
Following is the code i have written but is giving me error
'No Value given for one or more parameters'

VB

FileStream fs = default(FileStream);
fs = new FileStream(imgName, FileMode.Open, FileAccess.Read);
byte[] picByte = new byte[fs.Length];
fs.Read(picByte, 0, System.Convert.ToInt32(fs.Length));
fs.Close();

string strSQL = "Update Questions Set QuestionImg = @Img Where QueId = " + RecId;
OleDbCommand cmd = new OleDbCommand(strSQL, new OleDbConnection(conn));

OleDbParameter imgParam = new OleDbParameter();
imgParam.OleDbType = OleDbType.Binary;
imgParam.ParameterName = "Img";
imgParam.Value = picByte;
cmd.Parameters.Add(imgParam);

cmd.Connection.Open();
cmd.ExecuteNonQuery();
cmd.Connection.Close();

cmd.Dispose();

Posted 26-Feb-13 15:38pm

mistryshailesh

Updated 26-Feb-13 16:18pm

Abhishek Pant

v3

Add a Solution

Comments

Just eg 27-Feb-13 2:47am

change
string strSQL = "Update Questions Set QuestionImg = @Img Where QueId = " + RecId;
to
string strSQL = "Update Questions Set QuestionImg = @Img Where QueId = " + RecId & ";"

2 solutions

Add a Solution

Add your solution here

Treat my content as plain text, not as HTML

Preview 0

…

Existing Members

Sign in to your account

...or Join us

Download, Vote, Comment, Publish.

Your Email
Password
Forgot your password?

Your Email
This email is in use. Do you need your password?
Optional Password

I have read and agree to the Terms of Service and Privacy Policy
Please subscribe me to the CodeProject newsletters

When answering a question please:

Read the question carefully.
Understand that English isn't everyone's first language so be lenient of bad spelling and grammar.
If a question is poorly phrased then either ask for clarification, ignore it, or edit the question and fix the problem. Insults are not welcome.
Don't tell someone to read the manual. Chances are they have and don't get it. Provide an answer or move on to the next question.

Let's work to help developers, not make them feel stupid.

This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

Just eg · Answer 1 · 2013-02-26T20:58:00

VB

Function Update(ByVal RecId As Integer, ByVal Imge As Byte()) As Boolean
        Dim Ret As Boolean = True
        Using oCn As New OleDb.OleDbConnection(StrConnection)
            Try
                oCn.Open()
                Using oCmd As New OleDb.OleDbCommand()
                    oCmd.Connection = oCn
                    oCmd.CommandText = "Update Questions Set QuestionImg = @Img Where QueId = " + RecId & ";"
                    oCmd.CommandType = CommandType.Text

                    oCmd.Parameters.Add(New OleDb.OleDbParameter("@Img", OleDb.OleDbType.Binary, 2147483647, ParameterDirection.Input, True, 0, 0, "", DataRowVersion.Proposed, IIf(IsNothing(Imge), DBNull.Value, Imge)))


                    oCmd.ExecuteNonQuery()

                End Using

            Catch ex As Exception
                Throw New Exception("_TBIMAGE::Update::Error Occured.", ex)
                Ret = False
            End Try
        End Using
        Return Ret

    End Function

Just eg · Answer 2 · 2013-02-27T19:43:00

VB

PictureBox1.Image = GetBitmapFromByte("ImageFieldName")

   Function GetBitmapFromByte(ImgRecord As Byte) As Bitmap
       Dim _MyImage As Bitmap
       If (Not IsNothing(ImgRecord)) Then
           Using ms As New IO.MemoryStream(ImgRecord)
               _MyImage = New Bitmap(ms)
               ms.Close()
           End Using
       Else
           _MyImage = Nothing
       End If
       Return _MyImage
   End Function

update ole object field in ms access 2007 from vb.net

2 solutions

Solution 1

Solution 2

Add your solution here

Preview 0