Forms Data Controls :: Exporting GridView To Excel - VIN Changing?
Jun 25, 2010
This is an ASP.NET 3.5 project being created with VS2008. One page contains a gridview with six columns. One of the columns displays standard, 17 character , Vehicle Identification Numbers (VIN). The VIN numbers display normally when the page is rendered. However, when the gridview is exported to Excel, the VIN numbers change. For example, in the gridview, the VIN might be 12345678912345678But when the gridview exports into Excel, that same VIN becomes 1.23457E+16The value of that Excel cell changes to 12345678912345600, changing the last two digits from 78 to 00. It does this for every VIN in the gridview table.I did some Googling but couldn't find anything specifically on this issue. Has anyone seen it before? Is there a way to format the column in the gridview so that Excel will accept it as literal text? I tried programmatically adding a style called 'text' to that column but that had no effect on the outcome. All of the other columns are behaving normally.
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Similar Messages:
Apr 1, 2010
when I used a code of exporting gridview into excel this code worked for a new website which is without masterpage.
my code:
public override void VerifyRenderingInServerForm(Control control) { }
protected void BtnGenerateReport_Click(object sender, EventArgs e)
{
Response.Clear();
Response.Buffer = true;
Response.AddHeader("content-disposition",
"attachment;filename=GridViewExport.xls");
Response.Charset = "";
Response.ContentType = "application/vnd.ms-excel";
StringWriter sw = new StringWriter();.....
Now the same code when I copy it in my project having masterpage . there is no compiler error but it is genereating excel file withno data in it but in fact there is data in the grid view at runtime.
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Feb 28, 2013
I'm exporting a Gridview to excel. I get all the gridview header and content in excel in addition to that i need to add a header text like report name in header of the excel sheet with line break in header.
I tried the solution in this link [URL] by adding
Table.Caption = "Header Text"
Table.CaptionAlign = TableCaptionAlign.Top
but i get error Reference to a non shared member requires an object reference.
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Oct 17, 2013
I have a project in vb with a gridview in a multiview and i want to save in a workbook excel the gridview displayed data. I have read many articles but in the end i have downloaded the code from URL...and i adapted for my code. The problem is that when i press the ExporttoExcel button it's exporting only this...I cannot figure out that is the problem.
<style> .textmode { mso-number-format:@; } </style><div>
</div>
My code is down
Imports System.Data
Imports System.Data.SqlClient
Imports System.Web.UI.WebControls.TableRow
Imports System.Web.UI.WebControls.GridViewRow
Imports System.Diagnostics
Imports System.IO
Imports System.Configuration
[code]....
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Jul 15, 2010
I am exporting GridView to Excel but keep on getting a pop up "The file you are trying to open, 'somefile.xls' is in a different format than specidied by the file extension. Verify that the file is not corrupted and is from a trusted source before opening the file. Do you want to open the file now?When I click "yes" the file opens fine. But why I am getting the pop up at the first place.Also as I have Office 2007 on my machine
GridView1.DataSource = dv;
GridView1.DataBind();
Response.Clear();
Response.Buffer = true;
[code]...
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Jan 20, 2011
I have the following scenario shown below
Label: Name
ID Qty
1 10
2 5
Kindly note, the ID. QTy are currently in a gridview and the Label is a label on top of the gridview. I would like to export both the label and the gridview to excel...how can I do this.
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Feb 2, 2010
This is the class file im using to export the datagrid to excel sheet.Problem is i cant able to transfer the image from gridview to excel sheet using this code. What are the modifications i can do for the below code to export the image.
public class ExcelReport { # region Export to excel /// /// Function for Export html report to Excel sheet /// /// File name /// Gridview /// public void ExportToExcel(string fileName, GridView gv) { try { HttpContext.Current.Response.Clear(); HttpContext.Current.Response.AddHeader("content-disposition",
string.Format("attachment; filename={0}", fileName)); HttpContext.Current.Response.ContentType = "application/ms-excel"; using (StringWriter sw = new StringWriter()) { using (HtmlTextWriter htw = new HtmlTextWriter(sw)) { Table table = new Table(); if (gv.HeaderRow
!= null) { //gv.HeaderRow.CssClass = "GridviewStyle"; // gv.HeaderRow.Font.Bold = true; PrepareControlForExport(gv.HeaderRow); table.Rows.Add(gv.HeaderRow); } foreach (GridViewRow row in gv.Rows) { //row.CssClass = "GridviewStyle"; // row.BorderColor = System.Drawing.Color.Blue;
// row.Height = 20; PrepareControlForExport(row); table.Rows.Add(row); } if (gv.FooterRow != null) { PrepareControlForExport(gv.FooterRow); table.Rows.Add(gv.FooterRow); } table.RenderControl(htw); HttpContext.Current.Response.Write(sw.ToString()); HttpContext.Current.Response.Flush();
HttpContext.Current.Response.End(); } } } catch (Exception ex) { throw ex; } } private void PrepareControlForExport(Control control) { for (int i = 0; i < control.Controls.Count; i++) { Control current = control.Controls[i]; if (current is LinkButton) { control.Controls.Remove(current);
control.Controls.AddAt(i, new LiteralControl((current as LinkButton).Text)); } else if (current is ImageButton) { control.Controls.Remove(current); control.Controls.AddAt(i, new LiteralControl((current as ImageButton).AlternateText)); } else if (current is....................................
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Jun 22, 2010
I finally managed to export a gridview to an excel sheet.
Next, how can I remove the column width and alternatingrowstyle color (or all formatting if it is easier) "programatically" before exporting it to excel?
Demonstration of what I am trying to accomplish:
[Code]....
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Oct 14, 2010
I am trying to work through a sample of exporting a gridview to an excel spreadsheet.I found the code below on the internet. I pasted it into a test.aspx page. I need to establish a connection to the NorthWind Database. Or if you have a better example of exporting a gridview to excel, share. Here is the location of the northwind.mdb on my pc: (and is this sample looking for an access database or a sql database...what is the filetype of a sqlserver database?) See code below
c:Program FilesMicrosoft Visual Studio 8SDKv2.0QuickStartaspnetsamplesdataapp_data orthwind.mdb
[Code]....
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Jan 6, 2011
I realized this has been asked multiple times before, but I still haven't been able to get it to work. I'm trying to export a Gridview to Excel without losing leading zeros. Here is my code. Add added the STYLE lines to try to fix the problem.
Dim attachment
As
String =
"attachment; filename=Awards.xls"
System.Web.HttpContext.Current.Response.ClearContent()
System.Web.HttpContext.Current.Response.AddHeader("content-disposition", attachment)
System.Web.HttpContext.Current.Response.ContentType = "application/ms-excel"
Dim sw
As
New StringWriter()
Dim htw
As
New HtmlTextWriter(sw)
gv.RenderControl(htw)
System.Web.HttpContext.Current.Response.Write(sw.ToString())
Dim STYLE
As
String =
"<style> .text { mso-number-format: ; } </style> "
System.Web.HttpContext.Current.Response.Write(STYLE)
System.Web.HttpContext.Current.Response.[End]()
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Feb 2, 2011
i have an export to excel functionality on my page and when i export my this data to excel the backcolor of datarows after export is white.
The backcolor of rows after export to excel should be same as that of aspx page.
How can i get it done?
Here is my logic i tried in rowdatabound event-
[Code]....
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Jan 21, 2010
I want to export a gridview data to excel; however, my form contains an update panel. I am getting the error message below. Note: the function works without an update Panel.
RegisterForEventValidation can only be called during Render();
private
{
Response.ClearContent();
Response.AddHeader(
Response.ContentType =
[Code].....
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Jun 14, 2010
I want to export my GridView, but also, replace any CheckBox controls that are rendered automatically with T/F fields in the process, with LiteralControls, so that everything is text in Excel.
See my below code. I'm not getting any errors, but the code is just not working. The resulting spreadsheet contains the CheckBox fields anyway.
[Code]....
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May 7, 2015
I am able to save excel sheet from GridView perfectly. However, I need to add one custom column, which will be URL of a file on sever, I am not allowed to add URLs directly in the table (as per company's development policies). I tried pulling URL from web.config however I am not sure where to add that in the following code
<asp:GridView ID="bestpractgrv" runat="server" AutoGenerateColumns="False" CellPadding="3" GridLines="Vertical" Width="100%" BackColor="White" BorderColor="#999999" BorderStyle="None" BorderWidth="1px" PageSize="10" AllowPaging="True" OnPageIndexChanging="OnPaging" DataKeyNames="iID">
<AlternatingRowStyle BackColor="Gainsboro" />
<Columns>
[code]....
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Sep 10, 2012
I am trying to export a gridview that is returned from a search form. The gridview also has paging enabled. In order to export the records from all pages in the gridview I had to turn off paging and do a databind, but instead of only exporting the search results it exports all the records in the gridview.
How can I only export the records from the search results, but also the make sure the records on the different pages export also?
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Jan 10, 2013
With the code i have below i am able to export only one page of gridview to excel. check and modify it once.so that i can import all the pages of gridview to excel at a time with checked status of checkbox.
protected void btnExporttoExcel_Click(object sender, EventArgs e)
{
DataTable dt = new DataTable();
dt.Columns.AddRange(new DataColumn[5] { new DataColumn("Presentees"), new DataColumn("StudentName"), new DataColumn("ColgRegisterNum"), new DataColumn("CollegeName"), new DataColumn("Date"), });
foreach (GridViewRow row in gvStdntDetails.Rows)
[code]...
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May 7, 2015
I exported some data from a gridview to an Excel with Images.
I need to give a specified height and width for all the rows and text to be aligned centre.
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Jan 8, 2013
In my gridview,the first 5 columns are filled with the values retrived from database on selecting an item dropdown.The last i.e, 6th column(date) is filled with value given in the textbox.
Now I need to export the gridview rows to Excel in which checkbox is checked.But Now With the code i have,Excel is containing the empty date column.Pls correct my code to get the proper filled Excel.
protected void Page_Load(object sender, EventArgs e)
{
if (!Page.IsPostBack)
fillCollegeNames();
}
private void fillCollegeNames()
[code]....
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Feb 1, 2013
I my exporting data through dataset to excel. But one column say awb no having datatype nvarchar contains long int no say : 123456789012345.
Then instead of displaying this no in numeric format(123456789012345) it is displaying in exponent form(1.23457E+19).
Is there any way to stop this i want data in numeric format (like this 123456789012345).
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Jul 13, 2012
I am getting display excel file after sending gridview data to mail below picture
And above picture, dropdown value displaying in excel sheet but it should not display and other rows and columns background in white .
I want to display the content like below format.....
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May 10, 2010
I am binding data from a dataset to a grid and exporting data from the grid to an excel.if the the number of items in the grid is greater than 50000,an error message is displayed.
So i want to split the data and display it in different worksheets in excel.(Am working in a web application)
using this code for exporting to excel
gvExcel.DataSource = DTS;
gvExcel.DataBind();
Response.AddHeader("content-disposition", "attachment; filename= filename.xls");
Response.ContentType = "application/excel";
StringWriter sw = new StringWriter();
HtmlTextWriter htw = new HtmlTextWriter(sw);
gvExcel.RenderControl(htw);
// Style is added dynamically
Response.Write(style);
Response.Write(sw.ToString());
Response.End();
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Feb 2, 2011
I am trying to export an ASP.NET 3.5 DataGridView to Excel using the following code :
protected
void Button1_Click(object sender,
EventArgs e)
{
Response.Clear();
Response.Buffer = true ;
Response.AddHeader("content-disposition" ,
"attachment;filename=text.xls" );
Response.Charset = "" ;
Response.ContentType = "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet" ;
StringWriter sw =
new StringWriter ();
HtmlTextWriter hw =
new HtmlTextWriter (sw);
GridView1.DataSource = RecordsDataSet;
GridView1.DataBind();
GridView1.AllowPaging = false ;
GridView1.DataBind();
GridView1.HeaderRow.Style.Add("background-color" ,
"#FFFFFF" );
for (int i = 0; i < GridView1.Rows.Count; i++)
{
GridViewRow row = GridView1.Rows[i];
//Change Color back to white
row.BackColor = System.Drawing.Color .White;
//Apply text style to each Row
row.Attributes.Add("class" ,
"textmode" );
}
GridView1.RenderControl(hw);
//style to format numbers to string...........
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Feb 8, 2010
I need a way to export data from MySql database (or simply from DataTable) to Excel and set colors of particular rows based on one of the fields' content.
I don't want to export the whole GridView because I need a way to add fields with calculated values as needed.
I have the following code that works:
[Code]....
But I don't know how to set colors to particular rows. Also, I don't know how to make Excel treat text fields that look like numbers as text to avoit scientific notation.
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Jan 27, 2010
I currently have a data grid that exports to Excel on an ASP.NET page (which is used for reporting purposes) which works great until we put it under the stresses of a full scale production environment. With a multitude of users using it it seems to fill up the server memory quite quickly since the data thats being pulled is rather large. The requirements of the page are: The data needs to be queried and exported to excel, so theres no point to getting around that. I've noticed that xls files are rather large in comparison to their xlsx counter parts, using xlsx files would be fine for my application. I've noticed that xlsb (Excel binary) are even smaller(approx 25% the size of the their xls counterpart). Is there anyway to change my code to export to xlsb (first choice) or xlsx rather than xls? I think it has something to do with Mime Types but I'm not positive.
Here is the code that I'm using for exporting:
[Code]....
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Aug 16, 2010
I found the following code online but I get error message "
RegisterForEventValidation can only be called during Render();
My C# code is:
[Code]....
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