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C# SQL Server image path cannot be null

I got some problem here, so in case after I show the image, I don't want to change the image that shown but It get me some exception but when I choose the same images again, it works
System.ArgumentNullException: 'Path cannot be null.
Parameter name: path'
and when I change the image and saves the changes its fine properly. line 2 exception
byte[] imagebt = null;
FileStream fst = new FileStream(picUploadAdmin.ImageLocation, FileMode.Open, FileAccess.Read);
BinaryReader br = new BinaryReader(fst);
imagebt = br.ReadBytes((int)fst.Length);
upcs.updateimageonclubs(txtEditClubNameAdmin.Text, imagebt);
This is how I show my image
if (dr.HasRows)
{
byte[] images = ((byte[])dr1["image"]);
if (images != null)
{
MemoryStream ms = new MemoryStream(images);
picUploadAdmin.Image = Image.FromStream(ms);
}
else
{
images = null;
}

Error with conversion codes from object to image [duplicate]

Why am I getting the exception "Parameter not valid" in my code:
MemoryStream ms = new MemoryStream(byteArrayIn);
System.Drawing.Image returnImage = System.Drawing.Image.FromStream(ms);
The length of byteArrayIn is 169014. I am getting this exception despite the fact that no value in it is greater than 255.

I had the same problem and apparently is solved now, despite this and some other gdi+ exceptions are very misleading, I found that actually the problem was that the parameter being sent to a Bitmap constructor was not valid. I have this code:
using (System.IO.FileStream fs = new System.IO.FileStream(inputImage, System.IO.FileMode.Open, System.IO.FileAccess.ReadWrite))
{
try
{
using (Bitmap bitmap = (Bitmap)Image.FromStream(fs, true, false))
{
try
{
bitmap.Save(OutputImage + ".bmp", System.Drawing.Imaging.ImageFormat.Bmp);
GC.Collect();
}
catch (Exception ex)
{
throw ex;
}
}
}
catch (ArgumentException aex)
{
throw new Exception("The file received from the Map Server is not a valid jpeg image", aex);
}
}
The following line was causing an error:
Bitmap bitmap = (Bitmap)Image.FromStream(fs, true, false)
The file stream was built from the file downloaded from the Map Server. My app was sending the request incorrectly to get the image, and the server was returning something with the jpg extension, but was actually a html telling me that an error ocurred. So I was taking that image and trying to build a Bitmap with it.
The fix was to control/ validate the image for a valid jpeg image.
Hope it helps!

My guess is that byteArrayIn doesn't contain valid image data.
Please give more information though:
Which line of code is throwing an exception?
What's the message?
Where did you get byteArrayIn from, and are you sure it should contain a valid image?

byte[] fileData = null;
using (var binaryReader = new BinaryReader(Request.Files[0].InputStream))
{
fileData = binaryReader.ReadBytes(Request.Files[0].ContentLength);
}
ImageConverter imageConverter = new System.Drawing.ImageConverter();
System.Drawing.Image image = imageConverter.ConvertFrom(fileData) as System.Drawing.Image;
image.Save(imageFullPath, System.Drawing.Imaging.ImageFormat.Jpeg);

The "parameter is not valid" exception thrown by Image.FromStream() tells you that the stream is not a 'valid' or 'recognised' format. Watch the memory streams, especially if you are taking various offsets of bytes from a file.
// 1. Create a junk memory stream, pass it to Image.FromStream and
// get the "parameter is not valid":
MemoryStream ms = new MemoryStream(new Byte[] {0x00, 0x01, 0x02});
System.Drawing.Image returnImage = System.Drawing.Image.FromStream(ms);`
// 2. Create a junk memory stream, pass it to Image.FromStream
// without verification:
MemoryStream ms = new MemoryStream(new Byte[] {0x00, 0x01, 0x02});
System.Drawing.Image returnImage = System.Drawing.Image.FromStream(ms, false, true);
Example 2 will work, note that useEmbeddedColorManagement must be false for validateImageData to be valid.
May be easiest to debug by dumping the memory stream to a file and inspecting the content.

Which line is throwing the exception? The new MemoryStream(...)? or the Image.FromStream(...)? And what is the byteArrayIn? Is it a byte[]? I only ask because of the comment "And none of value in it is not greater than 255" - which of course is automatic for a byte[].
As a more obvious question: does the binary actually contain an image in a sensible format?
For example, the following (although not great code) works fine:
byte[] data = File.ReadAllBytes(#"d:\extn.png"); // not a good idea...
MemoryStream ms = new MemoryStream(data);
Image img = Image.FromStream(ms);
Console.WriteLine(img.Width);
Console.WriteLine(img.Height);

This error is caused by binary data being inserted into a buffer.
To solve this problem, you should insert one statement in your code.
This statement is:
obj_FileStream.Read(Img, 0, Convert.ToInt32(obj_FileStream.Length));
Example:
FileStream obj_FileStream = new FileStream(str_ImagePath, FileMode.OpenOrCreate, FileAccess.Read);
Byte[] Img = new Byte[obj_FileStream.Length];
obj_FileStream.Read(Img, 0, Convert.ToInt32(obj_FileStream.Length));
dt_NewsFeedByRow.Rows[0][6] = Img;

all the solutions given doesnt work.. dont concentrate only on the retrieving part. luk at the inserting of the image. i did the same mistake. I tuk an image from hard disk and saved it to database. The problem lies in the insert command. luk at my fault code..:
public bool convertImage()
{
try
{
MemoryStream ms = new MemoryStream();
pictureBox1.Image.Save(ms, ImageFormat.Jpeg);
photo = new byte[ms.Length];
ms.Position = 0;
ms.Read(photo, 0, photo.Length);
return true;
}
catch
{
MessageBox.Show("image can not be converted");
return false;
}
}
public void insertImage()
{
// SqlConnection con = new SqlConnection();
try
{
cs.Close();
cs.Open();
da.UpdateCommand = new SqlCommand("UPDATE All_students SET disco = " +photo+" WHERE Reg_no = '" + Convert.ToString(textBox1.Text)+ "'", cs);
da.UpdateCommand.ExecuteNonQuery();
cs.Close();
cs.Open();
int i = da.UpdateCommand.ExecuteNonQuery();
if (i > 0)
{
MessageBox.Show("Successfully Inserted...");
}
}
catch
{
MessageBox.Show("Error in Connection");
}
cs.Close();
}
The above code shows succesfully inserted... but actualy its saving the image in the form of wrong datatype.. whereas the datatype must bt "image".. so i improved the code..
public bool convertImage()
{
try
{
MemoryStream ms = new MemoryStream();
pictureBox1.Image.Save(ms, ImageFormat.Jpeg);
photo = new byte[ms.Length];
ms.Position = 0;
ms.Read(photo, 0, photo.Length);
return true;
}
catch
{
MessageBox.Show("image can not be converted");
return false;
}
}
public void insertImage()
{
// SqlConnection con = new SqlConnection();
try
{
cs.Close();
cs.Open();
//THIS WHERE THE CODE MUST BE CHANGED>>>>>>>>>>>>>>
da.UpdateCommand = new SqlCommand("UPDATE All_students SET disco = #img WHERE Reg_no = '" + Convert.ToString(textBox1.Text)+ "'", cs);
da.UpdateCommand.Parameters.Add("#img", SqlDbType.Image);//CHANGED TO IMAGE DATATYPE...
da.UpdateCommand.Parameters["#img"].Value = photo;
da.UpdateCommand.ExecuteNonQuery();
cs.Close();
cs.Open();
int i = da.UpdateCommand.ExecuteNonQuery();
if (i > 0)
{
MessageBox.Show("Successfully Inserted...");
}
}
catch
{
MessageBox.Show("Error in Connection");
}
cs.Close();
}
100% gurantee that there will be no PARAMETER NOT VALID error in retrieving....SOLVED!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Most of the time when this happens it is bad data in the SQL column. This is the proper way to insert into an image column:
INSERT INTO [TableX] (ImgColumn) VALUES (
(SELECT * FROM OPENROWSET(BULK N'C:\....\Picture 010.png', SINGLE_BLOB) as tempimg))
Most people do it incorrectly this way:
INSERT INTO [TableX] (ImgColumn) VALUES ('C:\....\Picture 010.png'))

Just Follow this to Insert values into database
//Connection String
con.Open();
sqlQuery = "INSERT INTO [dbo].[Client] ([Client_ID],[Client_Name],[Phone],[Address],[Image]) VALUES('" + txtClientID.Text + "','" + txtClientName.Text + "','" + txtPhoneno.Text + "','" + txtaddress.Text + "',#image)";
cmd = new SqlCommand(sqlQuery, con);
cmd.Parameters.Add("#image", SqlDbType.Image);
cmd.Parameters["#image"].Value = img;
//img is a byte object
** /*MemoryStream ms = new MemoryStream();
pictureBox1.Image.Save(ms,pictureBox1.Image.RawFormat);
byte[] img = ms.ToArray();*/**
cmd.ExecuteNonQuery();
con.Close();

Reading Image from SQL Error in C#

I have a SQLite DB I have field called PersonalPic of Type BLOB
this is code in which I save image to SQLite
cm.CommandText = "insert into People(Name,FullName,FatherName,MotherName,NationalID,Mobile,Phone,Birth,Intma,Info,Address,CuAddress,PersonalPic,Pics) values('"+textBox1.Text+"','"+textBox2.Text+"','"+textBox3.Text+"','"+textBox4.Text+"','"+textBox5.Text+"','"+textBox6.Text+"','"+textBox7.Text+"','"+dateTimePicker1.Value.ToString("yyyy-MM-dd")+"','"+textBox8.Text+"','"+textBox9.Text+"','"+textBox10.Text+"','"+textBox11.Text+"','"+ConvertToString(personalpic)+"','"+ConvertToString(pic)+"')";
cm.ExecuteNonQuery();
public string ConvertToString(String path)
{
FileStream fs = new FileStream(path,
FileMode.OpenOrCreate, FileAccess.Read);
byte[] rawData = new byte[fs.Length];
fs.Read(rawData, 0, System.Convert.ToInt32(fs.Length));
fs.Close();
// Convert byte[] to Base64 String
string base64String = Convert.ToBase64String(rawData);
return base64String;
}
It`s saved without no problems when I try to retrieve image it gives me Parameter is no valid Exception
SQLiteDataReader reader = cm.ExecuteReader();
if (reader.HasRows)
{
while (reader.Read())
{
textBox1.Text = reader["Name"].ToString();
textBox2.Text = reader["FullName"].ToString();
textBox3.Text = reader["FatherName"].ToString();
textBox4.Text = reader["MotherName"].ToString();
textBox5.Text = reader["NationalID"].ToString();
textBox6.Text = reader["Mobile"].ToString();
textBox7.Text = reader["Phone"].ToString();
dateTimePicker1.Value = DateTime.Parse(reader["Birth"].ToString());
textBox8.Text = reader["Intma"].ToString();
textBox9.Text = reader["Info"].ToString();
byte[] photoarray = (byte[])reader["PersonalPic"];
MemoryStream ms = new MemoryStream(photoarray);
MessageBox.Show(photoarray.Length.ToString());
ms.Position = 0;
pictureBox1.Image = Image.FromStream(ms);
}
}
reader.Close();
Exception is in the Line (pictureBox1.Image = Image.FromStream(ms))
Please Help!!

Aside from the horrendous sql inject insert statement, you're converting your picture byte array to a B64 string. And you're not converting it back on the other side. You're passing complete garbage data to your pictureBox. Either convert it back from byte[] -> B64 string and then decode it back to a byte[].. or just don't save it as a B64 string in the first place
Replace ConvertToString with ConvertToBlob
public byte[] ConvertToBlob(String path)
{
FileStream fs = new FileStream(path,
FileMode.OpenOrCreate, FileAccess.Read);
byte[] rawData = new byte[fs.Length];
fs.Read(rawData, 0, System.Convert.ToInt32(fs.Length));
fs.Close();
return rawData;
}
And pass the raw data Byte[] directly to your SQL Query (which you need to rewrite as a parameterised query).

Image.FromStream throws ArgumentException: Parameter is not valid

I'm trying to output an image to the output stream through an HttpHandler but it keeps throwing an ArgumentException. I've googled the issue and tried so many things but I still couldn't fix the problem. Anyway, here's the code:
public void ProcessRequest(HttpContext context)
{
Int32 imageId = context.Request.QueryString["id"] != null ?
Convert.ToInt32(context.Request.QueryString["id"]) : default(Int32);
if (imageId != 0)
{
//context.Response.ContentType = "image/jpeg";
Byte[] imageData = this._imageInfoManager.GetTradeMarkImage(imageId);
using (MemoryStream ms = new MemoryStream(imageData, 0, imageData.Length))
{
using (Image image = Image.FromStream(ms, true, true)) //this line throws
{
image.Save(context.Response.OutputStream, ImageFormat.Jpeg);
}
}
}
throw new ArgumentException("Image could not be found.");
}
Note that the imageData byte array is not empty and the memory stream is being filled up correctly. Any thoughts?
UPDATE:
Here's the code for GetTradeMarkImage... Note that the images are stored in the an SQL Server database in the image format.
public Byte[] GetTradeMarkImage(Int32 id)
{
object result = DB.ExecuteScalar(SqlConstants.SqlProcedures.Request_GetImageById, id);
if (result != null)
{
using (MemoryStream ms = new MemoryStream())
{
BinaryFormatter bf = new BinaryFormatter();
bf.Serialize(ms, result);
return ms.ToArray();
}
}
return null;
}

Okay, now you've posted the GetTradeMarkImage code, that's almost certainly the problem:
using (MemoryStream ms = new MemoryStream())
{
BinaryFormatter bf = new BinaryFormatter();
bf.Serialize(ms, result);
return ms.ToArray();
}
Why would you expect the value of BinaryFormatter to be a valid image stream? It's not clear what's in your database (a BLOB?) nor what the execution-time type of result is here (which you should find out by debugging) but you shouldn't be using BinaryFormatter here. I suspect you just want to get the raw data out of the database, and put that into the byte array.
If you're lucky, you may just be able to cast result to byte[] to start with. (I don't know what ExecuteScalar does with blobs, and this obviously isn't the "normal" ExecuteScalar method anyway). Otherwise, you may need to use an alternative approach, opening a DataReader and getting the value that way.

Retrieve Images from sql server database

i am storing images to the database. How to retrieve all the images from the database.
Eg: select images from imagetable
Problem:
Data Logic:
while (dr.Read())
{
///Check for null
if (!dr.IsDBNull(0))
{
try
{
///Converting the image into bitmap
byte[] photo = (byte[])dr[0];
ms = new MemoryStream(photo);
Bitmap bm = new Bitmap(ms);
bmp[i] = bm;
ms.Close();
}
catch (Exception ex)
{
}
}
ASpx.CS page:
Bitmap[] bm= photos.GetImage();
for (int i = 0; i < bm.Length; i++)
{
MemoryStream ms = new MemoryStream();
**bm[i].Save(ms, ImageFormat.Jpeg);**(Error : A generic error occurred in GDI+.)
htmlCode.Append("<li><img ImageUrl=\\\"");
htmlCode.Append(**ms.GetBuffer()**);
htmlCode.Append("\" alt=\"\" width=\"100\" height=\"100\"></li>");
}
Image not getting displayed
Geetha

this is an example from Sql Server
connection.Open();
SqlCommand command1 = new SqlCommand("select imgfile from myimages where imgname=#param", connection);
SqlParameter myparam = command1.Parameters.Add("#param", SqlDbType.NVarChar, 30);
myparam.Value = txtimgname.Text;
byte[] img = (byte[])command1.ExecuteScalar();
MemoryStream str = new MemoryStream();
str.Write(img, 0, img.Length);
Bitmap bit = new Bitmap(str);
connection.Close();
look here
http://www.akadia.com/services/dotnet_read_write_blob.html

For SQL Server 2008 onwards, FILESTREAM is almost certainly the way to go.
Please see: SQL Server 2005 - How do I convert image data type to character format

You need to get the binary data from the DB, and then stream the binary data to the browser as image.

You are setting the Url of the image to be the byte stream - you need to save the image to the hard drive and provide the location.
A much better way would be to set the image url to be a resource handler with parameters that could then retrieve the image from the database and return it as a stream to the browser.