Web Forms :: Validation In EditItem And Footer Template Of GridView
May 29, 2012
I am using a Gridview to Edit, Delete, and Insert (thru the footer). I am tryng to usr required field validationg a column called qty .When I insert a record through footer validating is working fine.(Add button in footer template)
But when I edit a record and it is validating both footertemplate and edititemtemplate.
<asp:GridView ID="grdMatReq" runat="server" AutoGenerateColumns="False"
ShowFooter="True" Font-Size="Small"
AllowPaging ="True" onrowediting="EditMatReq"
OnPageIndexChanging = "OnPaging" CssClass="width-1050 center-margin center-text"
onrowupdating="UpdateMatReq" onrowcancelingedit="CancelEdit"
[Code] ....
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Dec 4, 2010
Setting up the editItem template of a gridview. I have a template field with a dropdown list for editing. When the gridview goes into edit mode the dropdown list is displayed with all the right options but the current value of the field (pre-editing) is not the selected value of the dropdown list? How do I make that happen? I have a couple fields where the editItem template will use a dropdown list and I'm sure a user will not realize those values have changed and they will just edit what they intended to edit and save the changes, inadvertently also making changes to other fields.
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Sep 27, 2012
Unable to generate dropdown event selectedIndexChange in GridView's Edit Template
protected void GridViewDepartment_RowUpdating(object sender, GridViewUpdateEventArgs e)
{ getConnection = connection.SetConnection();
GridView GridViewDepartment = (GridView)sender;
GridViewDepartment.EditIndex = e.RowIndex; // Update Index You Want to edit
GridViewDepartment.DataSource = departmentTable; // ReBind the GridView
[Code] .....
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May 7, 2015
On update the dropdown value shows NULL in database : here's structure for my gridview
<asp:TemplateField HeaderText="Construction Phase" SortExpression="Phase_Name">
<EditItemTemplate>
<asp:DropDownList ID="EditedDropDownInGrid" runat="server" CssClass="form-control" DataSourceID="PhaseSQLDataSource" DataTextField="pp_name" DataValueField="pp_id">
</asp:DropDownList>
</EditItemTemplate>
[Code] ....
It updates other controls in gridview but does not update my selected dropdowns item value in Integer format which is inside gridview...
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Mar 11, 2010
I have a simple EditItem Template within a Formview that I am using to add a record to a table. There is one field in the form that I would like to assign a variable to. I cannot figure it out. I do not see any properties in VS2008 that allow me to assign the value.
The value that I am assigning is an item number, wich is the primary key in the table that I supply on the form.
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Jan 12, 2010
Here two have two grid inner and outergrid, When i am click the Edit Linkbuttom i am able to see the EditItemplate of innergrid.. where i can edit the Value.. When going to update that values in Data base.. i am not able to fine the control . Here is the code
<
asp:GridView
ID="GrdMeetings"
runat="server"
AutoGenerateColumns="False"
Width="100%"
OnRowDataBound="GrdMeetings_RowDataBound"
GridLines="Horizontal">
<Columns>
<asp:TemplateField>
<HeaderTemplate>
<table
width="100%"
cellpadding="0"
cellspacing="0"
style="background-color:
#5a5a5a;color:
White">
<tr>
<td
style="width:
15%;"
align="center"
colspan="3">
Meeting Details
</td>
</tr>
</table>
</HeaderTemplate>
<ItemTemplate>
<table>
<tr>
<td>
<asp:Label
ID="txtyear"
runat="server"
Width="60px"
Text='<%# Container.DataItem %>'
/>
</td>
</tr>
<tr>
<asp:GridView
ID="MeetingDates"
runat="server"
AutoGenerateColumns="false"
Width="100%"
GridLines="Horizontal"
AutogenereateEditColumns="True"
ShowHeader="false"
CommandName="Meetingid"
OnRowEditing="MeetingDates_RowEditing"
OnRowUpdating="MeetingDates_RowUpdating">
<Columns>
<asp:TemplateField>
<ItemTemplate>
<table
cellpadding="0"
cellspacing="0">
<tr>
<td>
<asp:LinkButton
ID="btnSave"
runat="server"
Text="Edit"
CommandName="Edit"
/>
<asp:Label
Visible="false"
ID="Label1"
runat="server"
Width="60px"
Text='<%# Bind("Meetingid") %>'
/>
</td>
<td
colspan="7">
<asp:Label
ID="lblProjectDate"
runat="server"
Width="100px"
Text='<%# Bind("Meetingdate") %>'
/>
</td>
</tr>
</table>
</ItemTemplate>
<ItemStyle
CssClass="TextAlign"
/>
<EditItemTemplate>
<table
cellpadding="0"
cellspacing="0"
style="height:
50px;
margin-left:
50px;
text-align:
right">
<tr>
<td>
<asp:Label
Visible="false"
ID="Label2"
runat="server"
Width="60px"
Text='<%# Bind("Meetingid") %>'
/>
</td>
<td
colspan="0">
<b>
Edit For :</b>
<b>
<asp:Label
ID="TextBox1"
runat="server"
Width="150px"
Text='<%# Bind("Meetingdate") %>'
/></b>
</td>
</tr>
<tr>
<td>
<asp:Label
Visible="false"
ID="lblmeetingID"
runat="server"
Width="60px"
Text='<%# Bind("Meetingid") %>'
/>
</td>
<td
colspan="0">
<asp:TextBox
ID="txtMeetingDate"
onkeypress="dateValidation(this);"
runat="server"
Text='<%# Bind("Meetingdate") %>'
OnTextChanged="txtMeetingDate_TextChanged"></asp:TextBox>
<ajaxToolkit:CalendarExtender
ID="calEx"
Format="MM/dd/yyyy"
runat="server"
TargetControlID="txtMeetingDate">
</ajaxToolkit:CalendarExtender>
</td>
</tr>
</table>
</EditItemTemplate>
</asp:TemplateField>
<asp:TemplateField>
<ItemTemplate>
<table
style="margin-left:
-0px">
<tr>
<td>
<asp:LinkButton
ID="btnUpdate"
runat="server"
Font-Bold="true"
CommandName="Update"
Visible="false"
Text="Save">
</asp:LinkButton>
</td>
<td>
<asp:LinkButton
ID="btnDelete"
runat="server"
Font-Bold="true"
CommandName="Delete"
Text="Delete"
Visible="false">
</asp:LinkButton>
</td>
<td>
<asp:LinkButton
ID="btnCancel"
runat="server"
Font-Bold="true"
CommandName="Cancel"
Text="Cancel"
Visible="false">
</asp:LinkButton>
</td>
</tr>
</table>
</ItemTemplate>
<ItemStyle
HorizontalAlign="Left"
VerticalAlign="Bottom"
Width="60%"
/>
</asp:TemplateField>
</Columns>
</asp:GridView>
</tr>
</table>
</ItemTemplate>
</asp:TemplateField>
</Columns>
<AlternatingRowStyle
BackColor="#99CCFF"
/>
</asp:GridView>
and the Events that are
[Code]....
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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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Nov 18, 2010
I am using Footer template in gridview for first time..
I am unable to show anything in the footer template with eval() method...
Here is some of my code in the gridview..
<asp:CommandField ShowSelectButton="True" FooterText="Amount" />
<asp:TemplateField HeaderText="ColorCode">
<ItemTemplate>
<asp:Label ID="lblColorCode" runat="server"><%# Eval("ColorCode")%> </asp:Label>
</ItemTemplate>
<FooterTemplate>
<%# Eval("Total")%>
</FooterTemplate>
</asp:TemplateField>
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Aug 6, 2010
I need to access the button in the footer template of my gridview. But I get an error : Object reference not set to an instance of an object.
Here's my gridview
[Code]....
[Code]....
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Jan 3, 2010
I have the edit and delete enabled in the gridview and using footer to add new record. There is a validation control on one of the fields in the footer row.When a row is in edit mode and update is clicked the validation is called for the footer row when it isn;t being used.How do I get the validation in the footer row to only validate the footer row and not the others?
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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 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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Jan 12, 2011
I have a gridview defined inside a div. I have defined a footertemplate for it, but for some reason, its not being displayed. Here is my code:
<div style="overflow: auto; min-height:10px; max-height: 250px;">
<asp:GridView ID="gvIncidentDetail" runat="server" GridLines="Vertical" OnRowCreated="gvIncidentDetail_OnRowCreated" OnRowDataBound="gvIncidentDetail_RowDataBound" OnSelectedIndexChanged="gvIncidentDetail_SelectedIndexChanged" Width="100%">
[Code]....
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Dec 1, 2010
I'm not sure how to do this, but I did read a lot of post and searched for it.
Protected Function GetTotal(ByVal DonTotalQty As Decimal, ByVal DonValue As Decimal)
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Mar 21, 2011
[URL] im using above tutioral i have changed little bit first in Header1 i have dropdownlist on selecting that it cause postback then it bind some value from database to Header2 itemtemplate and Header3 itemtemplate label. on clicking add new row then it create new row if user selct again then it bind the values in two label what i need here is i need foter total for both Headerr2 and Header3 itemtemplate on footer template label.
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May 14, 2010
In the Gridview RowDataBound event, I am trying to find the control LinkB_Addnew located in the footer of my Grdiview:
[Code]....
But I get the error --> Object reference not set to an instance of an object so It is like not found to me...
[Code]....
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Aug 15, 2010
<asp:Button ID="Button1" runat="server" BackColor="Transparent" BorderColor="Transparent"
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Nov 29, 2010
I have 3 buttons that change the Information being displayed in my Gridview (Previous, Today, Forward). Now management wants to SUM the Date's information by column, I have figured out how to do this by changing the BoundField to a TemplateField and then add a FooterTemplate with a SQL DataSource. When I Press either the Previous or Forward button the data does not change in my Sum'd Footer column.
[Code]....
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Feb 12, 2010
iam trying to insert new record through gridveiw footer template field and its should added in sql database
i don't want to use sqldatasource, i wants to do through code.
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Apr 8, 2010
I have one grid which have 5 columns 1 for subject,2,3,4 for marks which have textbox to insert obtained marks,and last column have one lable to display total of (2+3+4),now i want total value on textbox event,when user enter any value to any column of textbox i need to display total of all three columns in total column. that things i did using javascript now i have one grand total text box in footer template according to sum of total i need to display grand total.so how can i get that footer template textbox in rowtype of DataControlRowType.DataRow.JAVASCRIPT :
<script language="javascript" type="text/javascript">
function sum(m1, m2, m3, txtTotal,txtFTotal) {
var mark1 = document.getElementById(m1).value;
[code]...
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Jan 26, 2010
I want to make a button in footer template invisible from code behind, but i am unable to do that.
I tried
[Code]....
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Feb 5, 2010
I have a repeater control and in its footer temlate is a button (or 2 in the example) and I want to catch its click event but seem to not be able to.
I tried in the repeater itemcommand event and also I tried defining a subprocedure for the 'occlick' event but neither works..
[code]...
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Mar 3, 2010
I have a repeater like this:
<asp:Repeater runat="server" ID="pde">
<HeaderTemplate></HeaderTemplate>
<ItemTemplate>
<asp:Literal runat="server" ID="literal1"></asp:Literal>
</ItemTemplate>
<FooterTemplate><asp:Literal runat="server" ID="literal2"></asp:Literal></FooterTemplate>
</asp:Repeater>
Now in literal2 I want to get the value from code behind.But I am not able to get the literal2 in code behind.Any idea how to get this?
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Oct 21, 2015
How to access database values in footer template of repeater control in ASP.Net,C#. My Code is given below:
<asp:Repeater ID="rptrMaintenance" runat="server" OnItemDataBound="rptrMaintenance_DataBinding" >
<HeaderTemplate>
<table width="100%" cellpadding="0" cellspacing="0" valign="top">
[Code]....
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Mar 9, 2011
I having problem to show footer template at data grid when there is an empty data. I need to show the footer template in order to let user input new record.
[Code]....
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