Displaying Image From DataGridView In Picture Box?
May 27, 2009
I've got a DatGridView and using CellClick I have populated a series of textboxes to display a record when user clicks but the most important part, the image wont open in the picture box I get the following message Unable to cast object of type 'System.Byte[]' to type 'System.Drawing.Image I know it must be a cast problem but I can't find anything on the subject
My code:
Private
Sub DataGridView1_CellClick(ByVal sender As System.Object, ByVal e As System.Windows.Forms.DataGridViewCellEventArgs) Handles DataGridView1.CellContentClick
[code]....
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Jul 2, 2010
I have image in datagrid view on clicking on that particular cell of datagridview the image in that particular cell must go in picturebox and the user crop the image in picture box as the user wants. then the croped image should be saved in another picturebox.
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Oct 15, 2011
how to display picture using the Application.startup path? i want to locate the picture in my bin folder inside my debug folder as i selected the name of the candidate in the combo box.
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Sep 5, 2010
I have a report that i'd like to display an Image for each record. But not all records have an image. The problem I have is that the last image is then repeated in the next record.
I would like to know how to have any empty field display a default image.
Code I have in report
Private Sub Detail_Format(Cancel As Integer, FormatCount As Integer)
Me.Image21.Properties("Picture") = Me.PhotoLink
End Sub
Photolink is a textfield and Image21 is an Image.
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Jun 11, 2011
In my project, I am trying to store the collection of Hatch styles in an array list and display rectangles with each of these styles at different locations in a picture box. I used this same approach with built in colors using code suggested from frorum members and it worked great.
When I run the following code I get an 'invalid cast exception' error on HB = ((CType(HatchList(j), HatchBrush))). When doing colors the the same code, SB = New SolidBrush((CType(ColorList(i), Color))) works fine so I think there is a problem with the format of the conversion. I left the NEW out since I got an immediate error stating no accessable new accepts this many arguments.
[Code]....
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Jul 23, 2009
I've got a program which displays a picture my harddrive on a picture box and changes this every 30 seconds, how can I clear the box in a way which will not use to much memory before displaying a new picture?
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Jun 14, 2009
I have an app that loads a jpg into a picyure box, then updates exif data in exifworks classThe problem is that when I save the image(from image used for picture box) or class (to save exif data) then try to delete, sometimes I get success, others it won't allow delet I have gone to the trouble of using gc.collect, do events, put the delete in a timer & wait for the delete before continuing & still get the problem
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Sep 12, 2009
With a button click event, how do I make a picture box image property switch to a random image from the resources folder?
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May 20, 2009
i'm lost on this code.. i have a picturebox that swaps 2 images, depending on the action, file_red and file_green.. what i'm trying to to is, if a picturebox switches a image or not, to be able to detect that and have textbox8 add a line with the detection.
[Code]...
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Sep 17, 2010
I made a picture box and imported an image named Title.jpg. Later I made adjustments to the picture and imported it again without deleting the original(mistake). The new one had the name automatically changed to Title1.jpg. So I deleted the original image from resources and renamed Title1.jpg back to Title.jpg.
Now I got two problems. First, only Title.jpg is on the solution explorer, but Title1.jpg(along with Title.jpg) still pops up on the resource list when I click on Image property of the picture box. There's only the name and no picture, and I don't see a delete option. How do I get rid of it? Second, even though I changed the image to the new Title.jpg in the picture box, the old one is displayed when running the app. What's up with that?
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Nov 11, 2010
I have a code found in Internet which does the job of displaying the contents of pixel data onto a picture box. The Code goes as given below:
HTML
Protected Overrides Sub WndProc(ByRef m As Message)
Dim myBMP As Image
Dim pal As System.Drawing.Imaging.ColorPalette
[Code].....
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Apr 25, 2011
I have Problem to clear the image vb.net.i have one picture box and 4 button but the problem is that if picture is save in the path folder.and load in the form load the clear button is work fine and clear the image but after that
when i browse the image and press OK picture box load the image then i press clear button
the image is not clear its automatically Stretch the Image.plz help me how can i clear thew image
[Code]...
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Feb 3, 2011
Using VB.net 2010, Windows 7, and SQL Server Express 2008 R2.
I am trying to save an image from a picture box to an image field in SQL Server. The line of code below produces an error. What am I doing wrong?
...code
objCommand.Parameters.AddWithValue("@ss_no", mskSS_No.Text)
objCommand.Parameters.AddWithValue("@d_code", txtD_Code.Text)
[Code]....
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Nov 2, 2011
I'm a Visual Basic beginner. I want to replicate an existing Mac application that I have with Visual Studio 2010. As you see below, this application (Mac version)'s form has a folder picture at the center. That's a drop box onto which the user can drag and drop a folder, and the application will get its path and write it to a database when the user clicks on Add. Now, according to Microsoft's web site, the PictureBox control has a property called AllowDrop, which is what I need, except that I don't see it as you see below. If PictureBox doesn't have AllowDrop, then what will be my next best alternative to accept a file/folder while displaying a picture?
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Mar 15, 2011
I have a DataGridView (dgv) on a Windows form (VB.NET) which is bound to a datatable. One of the bound columns is a an ID (Foreign Key) to another datatable. All I want to do is Hide the ID column and populate an unbound column with the Name (ParmName) for the user. I searched the foreign value in the datatable and retrieved the information. I set the Value of the cell in the Datarow. All works well, but does not display. The cell accepts the value...I can even Debug.Print the values to the console. They are there just nothing displaying in DataGridView. Nothing odd about DataGridView. Should be straight forward...
My Code
,
Dim dtParm As DataTable = MyDataSet.tblParameter
Dim dgv As DataGridView = Me.dgvResultNum_DataGrid
[code]....
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Mar 11, 2010
A simple database has been created in Access, which is just basically a table of text, with some images as entries. A form has been created in VB2008 Express and linked to the database. Either a combibox, text boxes or pictureboxes are linked to a column form the database. The first row entries are all displayed correctly in the relavant boxes (except for the images, which for some reason aren't displayed). If another value in the comibox is selected, the other box values don't change and there is still no images visible...
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Oct 23, 2011
I am working with my web cam and it works, but one problem like all the other vb webcam programs it use a handle witch uses a creatgraphics for the object. Well I happen to be using a picturebox for my handle, and I need it so if I minimize the form, the image is still there. Is there anyway to put the image into the picture boxes image?
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Sep 16, 2011
Protected Sub Upload_Click(ByVal sender As Object, ByVal e As EventArgs) Handles Upload.Click
If Me.FileUpload1.HasFile Then
Dim intWidth, intHeight As Integer
Dim UlFileName, NewFileName As String
[code].....
After an image is uploaded it is not displaying on the web page like it should be:
'*** View Images ***'
Me.imgPicture.Visible = True
Me.imgPicture.ImageUrl = NewFileName
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Jan 3, 2012
In my aspx page I have a gridview which displays the value from my database as "*". So if a value in my database table is 5, it will be displayed as "*****" in the gridview.
code in aspx:
<asp:TemplateField HeaderText="Rating" SortExpression="Rating">
<ItemTemplate><h1><%# getrating(Eval("Rating"))%></h1></ItemTemplate>
</asp:TemplateField>
code in aspx.vb
[Code]...
What I want to do is change that "*" to a picture, ie star.jpg, so in the gridview it will display the image star.jpg instead of "*".Using MS visual studio 2010
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Apr 9, 2010
I am using vb.net running a backend MS.Access database and I am wondering what is the code that I can use to display a picture of an image when the field name is selected.My MS Access "field" name is Cars_Types: in the files I have the data "GM, Chrysler, Toyota, Honda, and Ford". The name of my database is ModelCars.accdbThe pictures are not coded into the database instead I would like them to be coded into the VB.NET program.
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Dec 27, 2010
How to display a images in a panel
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Mar 6, 2012
need help in displaying image in picturebox in form load..im using vb 2008 and adodb
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May 16, 2010
I want to display an image in a datagridview,but i have no idea of doing the same.Is there any code bank submission regarding this topic or some ideas how to go for this?
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Jun 12, 2009
I am using a PictureBox to display images. I have SizeMode set to StretchImage. While this does indeed show the whole image, it is of coure stretched. Is there a way to prepare the image to be displayed so it will fit correctly in the PictureBox? I just want it displayed without distortion and within the box.
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Oct 14, 2009
I have the following code below. I am reading a BLOB image from database, but when I try to display it in the picture box I am getting the 'Parameter is
Code:
Imports System.Drawing
Imports System.Drawing.Imaging
[code].....
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Aug 13, 2010
I'm trying to do this :[URL]But using VB.Net instead of VB6.I run into a problem with WebBrowser1.Document.Body.createcontrolrange()
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May 4, 2011
I have a .net 4 form application. On a button click event, I want to open a form that has a GIF image in a webbrowser control, that says please wait. Then it opens a second form that has a datagridview that is being populated from a SQL query. Then I just hide the wait form. The reason I have resorted to this method is that sometimes it takes a while to display the results from with datagridview depending on what the user selected previously. The issue that I am having is the wait form displays but the GIF does not show up. If I make the application wait by using the following code the GIF show up like it supposed to until the timer runs out. At that point the image stops moving but is still present.
Private Sub wait(ByVal interval As Integer)
Dim sw As New Stopwatch
sw.Start()
Do While sw.ElapsedMilliseconds < interval
' Allows UI to remain responsive
Application.DoEvents()
Loop
sw.Stop()
End Sub
My original intent was to use the show method to display the results form and then hide the previous form, but sometimes the previous form would close before I could display the results form.
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Mar 11, 2010
I have a requirement of storing employee's image in databse and retrive them in a form. I could insert image into the database but when I am retriving it , it does not get working. So if anybody knows the code for retriving image from database and displaying in a form ?I am using MS SQL Server 2005 as databse.
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Jun 22, 2009
Note: This is in Visual Studio 2000 using a WPF solution. I am saving an bmp image to a SQL image field:
[Code]...
I may be saving the image the wrong way or attempting the conversion incorrectly.
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Sep 27, 2011
I am need to display an image on my asp.net page, which is stored as an image data type in SQL Server. I am looking at this post, display/retrieve image from sql database in vb.net, however, how can I display that image in a <td> element?
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