Convert image to Bitmap c#

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Good afternoon,

how I can convert the image to bitmap. I store image inside my database and there is an error .

int index;
for (index = 1; index <= dt.Rows.Count; index++) {

bmDatabaseImage = (Bitmap)Image.FromFile(dt.Rows(index));
}

it shows the error under "Rows"

Posted 2-Apr-13 0:28am

hajis

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Herman<T>.Instance 2-Apr-13 6:29am

which exception do you get?

hajis 2-Apr-13 6:34am

nun-invocable member 'System.DataTable.Rows' cann not be used like amethod

3 solutions

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OriginalGriff · Answer 1 · 2013-04-02T00:39:00

Solution 1

Change the brackets:

C#

bmDatabaseImage = (Bitmap)Image.FromFile(dt.Rows(index));

Becomes

C#

bmDatabaseImage = (Bitmap)Image.FromFile(dt.Rows[index]);

But it may be worth your looking at this: Why do I get a "Parameter is not valid." exception when I read an image from my database?[^]

Posted 2-Apr-13 0:39am

OriginalGriff

Thomas Daniels · Answer 2 · 2013-04-02T00:39:00

Solution 2

Hi,

Try this:

C#

bmDatabaseImage = (Bitmap)Image.FromFile(dt.Rows[index]);

Posted 2-Apr-13 0:39am

Thomas Daniels

Comments

hajis 2-Apr-13 6:51am

I try this but it doesn't work..

this error i get:

The best overloaded method match 'System.Drawing.Image.FromFile(string)' has some invalid arguments

Thomas Daniels 2-Apr-13 7:20am

Because the Image.FromFile method needs a string as argument, and a row from a data table isn't a string.

hajis 2-Apr-13 7:25am

so what i can do to solve this ?
can you show me an example?

Thomas Daniels 2-Apr-13 7:35am

I'm sorry, I can't give an example, because I don't know the cells of the row. If you provide the cell number in which the file name is shown, I can give an example.

**Zoltán Zörgő** · Answer 3 · 2013-04-02T00:40:00

Solution 3

The error itself is cause you are misusing the Rows property[^]. It is a collection, thus an indexable object. Use square braces.

Posted 2-Apr-13 0:40am

Zoltán Zörgő

Comments

hajis 2-Apr-13 6:50am

I try this but it doesn't work..

this error i get:

The best overloaded method match 'System.Drawing.Image.FromFile(string)' has some invalid arguments

Zoltán Zörgő 2-Apr-13 7:09am

That's an other error :)
As I said, you made a syntax error before. But you will get some more if you follow this path. This is not the way to do it.
You should read the link given by OriginalGriff!