Sum In GridView Footer
Aug 24, 2011
I'm trying to display the sum of a numeric field in the footer of my datagridview. Here's my code so far:
Code:
Protected Sub GridView1_RowDataBound(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.GridViewRowEventArgs) Handles GridView1.RowDataBound
Dim TotalHours As Decimal = 0
If e.Row.RowType = DataControlRowType.DataRow Then
Dim RowTotal As Decimal = Convert.ToDecimal(DataBinder.Eval(e.Row.DataItem, "Hours"))
[Code] ....
The text in the footer shows up and there are no errors, but the total is always 0, so obviously my code is not actually totalling any of the values. All of the info I've found about this refers to using a datatable, which I don't know how to do. I'd be happy to learn, but I'm afraid of breaking my existing datagridview, which works perfectly well as is except for the total.
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Jan 29, 2011
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Sep 13, 2010
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May 9, 2010
I'm trying to give the user the ability to create a new record from the footer row and my event handler doesn't seem to be working... or maybe I'm going at this all wrong.
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Here is my code in front and behind:
[Code]....
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Aug 2, 2010
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Jul 26, 2010
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Jan 26, 2010
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Code:
[code]....
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Aug 9, 2010
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Mar 25, 2011
I have a Gridview like this;
In my .cs file i calculate value of BV, MV, KV total value with this code and i assign to a Label. Labels are under the Gridview. BUT, some customer names long some of short, because of that, labels location changing according to Gridview. Because of that i don't want use Label.
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double sumRISK = 0;
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{
CheckBox cb = (CheckBox)gvr.FindControl("NameCheckBoxField1");
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{
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Oct 12, 2010
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Oct 19, 2010
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If you click the back button in the browser, then click on another page, then come back to this page, you can delete another record. Another attempt to delete another record brings you back to the above problem. Thectl00$SupremeContent$grdLineNumbers$ctl09$ctl00 changes each time you delete, come back to the page and delete. If I disable the udpate panel, there's no errors. The reason I have the update panel is so that the user can select the relevant pipe specification (they see multiple columns using a textbox, drop down extender, panel and gridview) without the form's data being reset by the embedded gridview's selected index changed event. I've been trying to figure this out for a month now. Oh ya, this form is within a master page.
Here's the gridview code:
[Code]....
And this is the event that handles the delete command:
[Code]....
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Oct 21, 2013
How to show sum of the column in GridView in FooterRow ?
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Mar 25, 2011
I have created a gridview dynamically from scratch and added it to my aspx page. This works fine, but i have a button in the footer of on of the columns, which when clicked on makes the gridview disappear and doesn't fire the onclick event that it should. This should obviously not be the case. My question is why does the event not fire and why does the gridview vanish? Bear in mind i have never created aa gridview in the code behind before, so excuse me if i am being dense
Code creating columns
Dim gvTownships As New GridView
'COLUMNS
Dim tmpCategory As New TemplateField
tmpCategory.ItemTemplate = New cGridViewTemplate(DataControlRowType.DataRow, "Category")
tmpCategory.HeaderTemplate = New cGridViewTemplate(DataControlRowType.Header, "Category")
tmpCategory.FooterTemplate = New cGridViewTemplate(DataControlRowType.Footer, "Calculation")
'INFORMATION
gvTownships.AutoGenerateColumns = False
gvTownships.ID = cmbChoice.SelectedItem.Text
gvTownships.ShowFooter = True
gvTownships.CssClass = "mGrid"
gvTownships.RowStyle.Wrap = False
gvTownships.HeaderStyle.CssClass = "mgrid"
gvTownships.HeaderStyle.Wrap = True
gvTownships.FooterStyle.CssClass = "mGridtf"
gvTownships.AlternatingRowStyle.CssClass = "alt"
gvTownships.GridLines = GridLines.Both
'add columns
gvTownships.Columns.Add(tmpCategory)
gvTownships.DataSource = dstSuburbTowhShip
gvTownships.DataBind()
Code to add button to footer
Sub InstantiateIn(ByVal container As System.Web.UI.Control) _
Implements ITemplate.InstantiateIn
Case DataControlRowType.Footer
If columnName = "Calculation" Then
Dim btnCalculate As New Button
btnCalculate.Text = "Calculate"
btnCalculate.CssClass = "button"
'add handler
AddHandler btnCalculate.Click, AddressOf btnCalculate_Clicked
container.Controls.Add(btnCalculate)
End If
Case Else
' Insert code to handle unexpected values.
End Select
End Sub
Private Sub btnCalculate_Clicked(ByVal sender As Object, ByVal e As EventArgs)
Try
Dim btnCalculate As Button = CType(sender, Button)
Dim gvRow As GridViewRow = CType(btnCalculate.NamingContainer, GridViewRow)
btnCalculate.CommandArgument = "Calculate"
Catch ex As Exception
End Try
End Sub
End Class
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Jan 28, 2010
I am programatically adding a control to a GridView Footer Cell:
Code:
e.Row.Cells(0).Controls.Add(myButton)
Now, Is there a way to center this control in the cell
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Sep 7, 2010
[URL]
I have used the above grid view in my application ... Its working good, no problem.
Upon clicking the Addnewrowbutton, it uses to create a new row dynamically.
What i need is, new row should also be created dynamically, upon pressing enter key in the last textbox on a particular gird view row. User always can't go and click addnewrowbutton every time to create new row. Instead of it, user can press enter in the last textbox on a particular grid view row to create new row.
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Jan 25, 2011
I gave placed the the button in the gridview footer template as below:
i also have handled the row command event but when i click on the button event does not fire
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Sep 3, 2010
The datasource of the datagrid is a LINQDataSource which relies on the value of a dropdownlist. In addition, I want to use the footer to insert new records - so I'd prefer not to use the empty dataset template. I am trying to find a way to always display the footer regardless if the datasource is empty or not.
EDIT:
Is there a way to create an empty/invisible object of the type in the LinqDataSource?
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Mar 21, 2010
I did the necessary steps, show a footer, put in a button and text box, set their id's up.
Here is my code behind (VB). It's saying that Event 'Inserting' cannot be found. I'm stumped. (The gridview is set up to insert/delete/edit)
[Code]....
I'm having trouble with the
[Code]....
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Jan 13, 2010
i have a gridview to disply the customers forecast details with quantity. i need to have the quantity total in footer of the gridview. how can we do this in gridview..
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Dec 12, 2010
designed a gridview like below
<asp:GridView ID="gv" runat="server" AutoGenerateColumns="False"
CellPadding="3" AllowPaging="True" ShowFooter="true" onpageindexchanging="gv_PageIndexChanging"
DataKeyNames = "fp_id" Width="987px" onrowdatabound="gv_RowDataBound" BorderColor="White" >
[code]...
but in the output for footer its created one more column at the end but i dont want to create a new column for this footer because all other detail cells are empty. i want to show the Footer without affect any other columns.if i include the footer code in the mid of the bound field then also its created a new column so the details cells are empty,
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Jan 6, 2011
After displaying a summary data in Gridview Column Footer in ASP.Net...is there a way that i can then use that summary(total information) in other parts of the application? For instance, like adding the total from the GridView footer to a different data that appears in a textbox somewhere else within the app?
So if i have a GridView like this
entry1 10
entry2 20
Total 30 <----this is the info in the footer
then add this footer total to a total from another control? How can i get this done? How do i go about using that total from the gridview in my app?
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Aug 7, 2010
I've been trying to get the total of some columns in my GridView. I used the code in the MSDN and finally did this:
[Code]....
GVcm is the name of my gridview.I have a button that loads the gridview, but it does not show the total. I don't know if I have to call this method inside the ButtonClick Event, I'm still a noob with c# and asp.net.Other things that maybe you should know, I'm not using template fields, I don't know if that is the problem I'm using normal bounfields.
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Jan 3, 2011
If I want to add the value of a GridView footer to say, the values in 3 textbox, and then put the summed up value in a 4th textbox called txtSum...how do i go about getting this done? Are there any examples out there that I can take a look at?
So to further elaborate on the task I need to complete...the textboxes do not reside within the GridView. I want to take the total within the footer of the GridView and add it to values that are within textboxes which are located in other locations of the page, then displaying the result in another textBox that is also located somewhere else on the page. Meaning, there are 5 different controls located at several locations on the page which are involved.
(value in footer + TextBox1 + TextBox2 + TextBox3 = TextBox4)
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