Web Forms :: Overlay Image Over An Imagemap?
Sep 21, 2010I'm working on Framework 3.5 in an asp.net project.
I need to overlay an image over an imagemap.
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IE: Database contains path to images. Data grid is pulling these images in based on the ID of the items in question. I need to pull the price from the database and lay it onto an image that is placed over the data bound image cell.
SQL Statement gets results.
Results contains path to image for items.
Items are sometimes on sale, so a special overlay is needed.
Overlay will have a varying price overlaying it.
I tried to break it down into easy portions. I am not sure if I am over thinking things or not but I can't find a feasible way to do this. The data is converted to a table due to the data grid control in ASP.Net, and there isn't any way to determine the IDs after the table is created.
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Feb 24, 2011I have an imagemap with 3 hotspots. One downloads a .pdf, the other two redirect to two other websites. Now they want to be able to track who downloads the .pdf file with our reporting program (VisiStat). To do that, I have to add some code to the OnClick event of the .pdf hotspot.
[Code]....
The code in the "VSLT('MyFile.pdf')" can be any name, that's what shows up in the reports.
I've tried doing this with a code behind OnClick event handler, but it can't see the javascript included in the asp page:
[Code]....
And I'm guessing that's where the VSLT code is at. I tried moving my code inline in the asp page, but it always says my sub is not a member of the page. What am I doing wrong? It seems like I'm just calling it or referencing it wrong.
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Apr 27, 2016<div id="myModal" class="modal fade overlay">
<div class="modal-dialog">
<div class="modal-content">
[Code].....
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[Code]....
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<asp:ImageMap ID="imageMap" runat="server" ImageUrl="~/images/MapImages/map.jpg" HotSpotMode="PostBack" OnClick="imageMap_Click">
My imageMap_Click looks like this, just to see if it's invoked at all:
protected void imageMap_Click(object sender, ImageMapEventArgs e)
{
throw new NotImplementedException();
}
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<table style="border-style:None;width:350px;border-collapse:collapse;">
<tr>
<td>
<b>ID</b>
</td>
<td>
<b>User Name</b>
</td>
<td>
<b>Role</b>
</td>
<td>
<b>Last Logged On</b>
</td>
</tr>
<asp:Repeater ID="rptUsers" runat="server"
onitemdatabound="rptUsers_ItemDataBound">
<ItemTemplate>
<div style="position:absolute; top:57px; width:350px; height:16px;" />
<tr>
<td>
<asp:Label id="lblUserID" runat="server" Text='<% # Eval("ID") %>'></asp:Label>
</td>
<td>
<asp:Label id="lblUserName" runat="server" Text='<% # Eval("UserName") %>' ></asp:Label>
</td>
<td>
<asp:Label ID="lblUserRole" runat="server" Text='<% # Eval("UserRole") %>' ></asp:Label>
</td>
<td>
<asp:Label ID="lblUserLastLoggedOn" runat="server" Text='<% # ((DateTime)Eval("LastLogin") != DateTime.MinValue) ? Eval("LastLogin") : "Never" %>' ></asp:Label>
</td>
</tr>
</ItemTemplate>
</asp:Repeater>
</table>
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I had a problem last year with the method I was trying at the time. It was a rush job at the time to be revisited at a later point. The work-around at the time was to export to PDF. So now it is "later" and once again is a rush (imagine that). This is all done through a web-based interface.
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protected System.Web.UI.WebControls.ImageButton
btn;
protected void Page_Load(object sender,
EventArgs e)
{
btn.ImageUrl = "Images/..."
}
override protected
void OnInit(EventArgs e)
{
btn = new ImageButton();
btn.ID = "btn1";
btn.Style["Position"] =
"Absolute";
btn.Style["Top"] =
"100px";
btn.Style["Left"] =
"100px";
ImageMap1.Controls.Add(btn);//... invisible nodes
// Panel1.Controls.Add(btn);//... visible nodes
base.OnInit(e);
}
So I have one of the following problems:
1. Adding child to the ImageMap Control OR
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.overLay
{
background-color:#666666;
height:2000px;
left:0;
position:absolute;
top:0;
width:100%;
z-index:1003;
opacity: 0.5;
}
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On Deafault.aspx
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[Code]....
in C# code I wrote these:
[Code]....
But it does not work. Image is like Previous. Note that ImageOperations.ResizeFromStream() method resizes and saves the image to a specefic folder. actually I should trigger a Postback to Update the Update Panel but How to do that. I usedUpdatePanelNew.Update(); but it does not work!
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