hi,
I have a dataTable in Session.On the click of a button in a Modal Dialog window I need to export this dataTable to Excel sheet.How could i do this...??
i tried using a window.open('Excel.aspx','','','') in the onclick of the button And wrote the code for export in the page load of Excel.aspx .But my session gets cleared.There are no datas in the dataTable.
i dont want to use query string...
Thanks in Advance,
Blacky
11  5224 
hi,
I have a dataTable in Session.On the click of a button in a Modal Dialog window I need to export this dataTable to Excel sheet.How could i do this...??
i tried using a window.open('Excel.aspx','','','') in the onclick of the button And wrote the code for export in the page load of Excel.aspx .But my session gets cleared.There are no datas in the dataTable.
i dont want to use query string...
Thanks in Advance,
Blacky
Look into where and why your Session is getting cleared.
I am doing about the same thing with a gridview and found the "dialogArguments" property to be useful as in: -
<script>
-
/* file popuptext.htm */
-
function fnGetInfo()
-
{
-
var sData = dialogArguments;
-
ta4details.innerText = sData;
-
ta4details.style.height = document.documentElement.clientHeight;
-
ta4details.style.width = "100%";
-
}
-
</scipt>
-
..
-
<body onload="fnGetInfo();" ..
-
I call it from my aspx page as follows: -
function LaunchGVRowCol(row, col) {
-
var ThisText = gridview1.rows[row].cells[col].title
-
showModelessDialog("popuptext.htm", ThisText, "dialogWidth:400px; dialogHeight:300px")
-
}
-
My C# page stores the info to display in "title" which is the tooltip and creates the OnClick attribute -
e.Row.Cells[desField].Attributes.Add("onclick", "return LaunchGVRowCol(" + e.Row.RowIndex + "," + nField.ToString() + ")");
-
-
HTH
In IE you can right-click the table and chose to export the data.
I on the other hand usually format my data as a CSV and allow the user to download/open it. Which normally would put it in Excel
Can you give me the code snippet..?? i want to export data from a grid in popup window to excel.. this is my requirement.
thanks in advance,
Blacky
Can you please tell me export from datagrid to excel.on click of a button in a modal dialog window
Have a page say "DownloadData.aspx" (or whatever) and pass it paramaters (querystring, post, session, whatever)
In that page build your data from the paramaters into a CSV, then change the response type to like "text/csv" and send the data down the response stream.
Here's the thing, the most common solution to exporting data as an Excel file requires you to implement an ASPX page that returns an Excel file instead of HTML. The headers, mime types and content are configured to indicate to the browser that an Excel file is being sent to it instead of HTML and therefore the browser opens the "save file as" dialogue.
So once you have implemented the page that returns the Excel file, you need to configure your button to open this page....the Excel file will be sent to the browser and the user will be presented with a "save file" dialogue.
the excel file is been generated and it is in temp. The problem is since i export the datagrid data to excel in a button click of a modal dialog window. I am not getting a popup to open a excel file or save it....
Since i need to maintain the datagrid items in the modal dialog, i have used
<base target="_self" /> in my html page.
This line of code does not make a popup for opening the excel...
anyways about how to handle it...??
I'm wondering if an iFrame will help you.
Place an iFrame on the page, when the user clicks the "download Excel version" button have the iFrame load the ASPX page that returns the excel file. This should pop up the "Save As" dialogue.
wat r u using?
if u r binding the datagrid to a datatable or a dataset
use this -
public static void WriteExcel(DataTable dt_Excel)
-
{
-
StringBuilder swColSb = new StringBuilder();
-
using (StreamWriter sw2Excel = File.CreateText(FileName.xls))
-
{
-
//get the Columns of the DataTable in the 1st Line
-
for (int i = 0; i < dt_Excel.Columns.Count; i++)
-
{
-
swColSb.Append(dt_Excel.Columns[i].ColumnName + "\t");
-
}
-
sw2Excel.WriteLine(swColSb.ToString());
-
//Fill The Rows To the Excel File
-
for (int i = 0; i < dt_Excel.Rows.Count; i++)
-
{
-
StringBuilder swRowSb = new StringBuilder();
-
for (int k = 0; k < dt_Excel.Columns.Count; k++)
-
{
-
swRowSb.Append(dt_Excel.Rows[i][k].ToString() + "\t");
-
}
-
sw2Excel.WriteLine(swRowSb.ToString());
-
}
-
}
-
}
-
-
and cal the function - WriteExcel((System.Data.DataTable)Datagrid.DataSource);
have fun
regards,
narz1986
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