i got error parameter is not valid while retrieving image to picture box in c#

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I have written this code for retrieving image from database to picturebox. I got these error 'Parameter is not valid' at this line 'pictureBox1.Image = Image.FromStream(stm);

C#

Byte[] imagebyte = new Byte[0];
                   imagebyte = (Byte[])(dr["Pic_Image"]);

MemoryStream stm = new MemoryStream(imagebyte);
pictureBox1.SizeMode = PictureBoxSizeMode.StretchImage;
pictureBox1.Image = Image.FromStream(stm);

It is storing that image as 0x53797374656D2E44726177696E672E4269746D6170 in database
would u pls solve this error.

Posted 7-Oct-14 20:23pm

TarunKumarSusarapu

Updated 9-Oct-14 23:38pm

v2

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Rohit R Chavan · Answer 1 · 2014-10-08T18:55:00

So your steps would be like this

1.This code retrieves the rows from the <sometable> table in the database into a DataSet, copies the most recently added image into a Byte array and then into a MemoryStream object, and then loads the MemoryStream into the Image property of the PictureBox control.

2. After getting data into Dataset, count the no. of images retrieved into datatable.

C#

if(c>0)
    {   //BLOB is read into Byte array, then used to construct MemoryStream,
        //then passed to PictureBox.
        Byte[] byteBLOBData =  new Byte[0];
        byteBLOBData = (Byte[])(ds.Tables["BLOBTest"].Rows[c - 1]["BLOBData"]);
        MemoryStream stmBLOBData = new MemoryStream(byteBLOBData);
        pictureBox1.Image= Image.FromStream(stmBLOBData);
    }

"C" = count of rows retrieved from data table

Animesh Datta · Answer 2 · 2014-10-08T19:23:00

Solution 2

Hello ,

While retrieving the image from Sqlserver convert the byte[] into original format by this way.

public Image GetDataToImage(byte[] pData)
        {
            try
            {
                ImageConverter imgConverter = new ImageConverter();
                return imgConverter.ConvertFrom(pData) as Image;
            }
            catch (Exception ex)
            {
                MsgBox.Show(ex.Message, "Error", MsgBox.Buttons.OK, MsgBox.Icon.Error);
                return null;
            }
        }

and ultimately set the picturebox image by call "GetDataToImage" this function before load the image in picturebox

pictureBox1.Image = GetDataToImage((byte[])byteimage);

thanks

Posted 8-Oct-14 19:23pm

Animesh Datta

Comments

TarunKumarSusarapu 9-Oct-14 2:54am

Thanks for your information but it is also getting same error'Parameter is not valid'

Animesh Datta 9-Oct-14 3:16am

Where have you saved the image ? in directory or in db ?

TarunKumarSusarapu 9-Oct-14 3:20am

in Db

Animesh Datta 9-Oct-14 3:25am

I would suggest you to follow below link to save and retrieve image from database

http://www.codeproject.com/Tips/465950/Why-do-I-get-a-Parameter-is-not-valid-exception-wh

TarunKumarSusarapu 10-Oct-14 5:06am

In database it stored like this 0x53797374656D2E44726177696E672E4269746D6170

Can u pls solve the error

TarunKumarSusarapu · Answer 3 · 2014-10-09T23:04:00

Solution 3