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same canvas for loading and creating the diagram (Read 3487 times)

liza Full Member Offline I Love MindFusion! Posts: 132 Joined: Apr 25^th, 2019	same canvas for loading and creating the diagram May 14^th, 2019 at 3:57am	Print Post
	This time from where I referenced the code, @Html.DiagramView is used for creating diagram now my question is can we use the same for loading our diagram from database also?. This time I am using other canvas for loading diagram from the database.


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Lyubo God Member Offline MindFusion team Posts: 511 Joined: Jun 17^th, 2010	Re: same canvas for loading and creating the diagram Reply #1 - May 14^th, 2019 at 6:15am	Print Post
	Hi, What do you mean by "other canvas"? Do you mean on the server-side? You can store your diagram data as a string or JSON then use either Diagram.LoadFromString or DiagramView.LoadFromJson to load it from the database. Code DiagramView view = DiagramView.FromRequest("diagramView1", Request); view.Diagram.LoadFromString(myDatabaseStringValue); ViewBag.DiagramView = view; Code (HTML) <div style="position: absolute; left: 0px; top: 0px; bottom: 0px; right: 0px"> @Html.DiagramView(((DiagramView)ViewBag.DiagramView), new { style = "width:100%;height:100%;" }) </div> Check the Network and Flowchart samples, provided with the MvcDiagram package. They illustrate different ways to save/load the diagram from file. Regards, Lyubo


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liza Full Member Offline I Love MindFusion! Posts: 132 Joined: Apr 25^th, 2019	Re: same canvas for loading and creating the diagram Reply #2 - May 14^th, 2019 at 8:06am	Print Post
	Can I open my diagram in edited form. and after updating diagram(updating text, deleting node, deleting link, adding other link mong other node), it should get saved and again load eith the updated data.


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liza Full Member Offline I Love MindFusion! Posts: 132 Joined: Apr 25^th, 2019	Re: same canvas for loading and creating the diagram Reply #3 - May 14^th, 2019 at 11:04am	Print Post
	Lyubo wrote on May 14^th, 2019 at 6:15am: Hi, What do you mean by "other canvas"? Do you mean on the server-side? You can store your diagram data as a string or JSON then use either Diagram.LoadFromString or DiagramView.LoadFromJson to load it from the database. Code DiagramView view = DiagramView.FromRequest("diagramView1", Request); view.Diagram.LoadFromString(myDatabaseStringValue); ViewBag.DiagramView = view; Code (HTML) <div style="position: absolute; left: 0px; top: 0px; bottom: 0px; right: 0px"> @Html.DiagramView(((DiagramView)ViewBag.DiagramView), new { style = "width:100%;height:100%;" }) </div> Check the Network and Flowchart samples, provided with the MvcDiagram package. They illustrate different ways to save/load the diagram from file. Regards, Lyubo please elaborate it more. I am not clear with this.


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Lyubo God Member Offline MindFusion team Posts: 511 Joined: Jun 17^th, 2010	Re: same canvas for loading and creating the diagram Reply #4 - May 14^th, 2019 at 11:24am	Print Post
	Hi, This code shows how you can load the diagram from string (for example retrieved from database) on the server-side and associate the view with the canvas on the client-side. For more code examples like this you can refer to the online documentation and tutorials here: https://www.mindfusion.eu/onlinehelp/mvcdiagram/index.htm?CC_Tutorial_1__Getting... and sample applications provided with the MvcDiagram package. Regards, Lyubo


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