In the Gridview RowDataBound event, I am trying to find the control LinkB_Addnew located in the footer of my Grdiview:
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But I get the error --> Object reference not set to an instance of an object so It is like not found to me...
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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">
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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;
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Iam finding the button control which is inside the Footer Template of Data list control.
i tried the below code but it is not working suggest me where iam doing wrong or how i find the control avaiable in footer template of Data list.
Here is my code
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iam using the above code on button click
I have placed a label in footer template of DataList Control.. And i want to access it a DataLists UpdateCommand..
if (e.Item.ItemType == ListItemType.Footer)
{
lbl = (Label)e.Item.FindControl("lblmessage");
}
But it did not work....
I have a field that is based on asp.net membersip UserID. I can bind this to dropdowns which aren't in a detailsview just fine, but for somereason my code isnt working for finding the control properly.I have the following in detailsview.databound (where it was suggested to be placed)
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I am using FindControl to get a hyperlink but it only works on the first page. It works fine until I click on another page number in the pager. Then the hyperlink is nothing. This is the hyperlink.
<asp:TemplateField HeaderText="Proj Id">
I am trying to target a control in a Detailsview in my codebehind, however I am getting an error "Name "control" is not declared" for example, i have a FileUpload field in the edit template of the detailsview, which I am trying to access as
FileField.PostedFile.SaveAs("directory")
I also tried adding a reference to the Detailsview id such as DetailsView1.FileField.PostedFile.SaveAs("directory")
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
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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%">
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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)
[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.
View 18 RepliesI 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>
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
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<asp:Button ID="Button1" runat="server" BackColor="Transparent" BorderColor="Transparent"
View 3 RepliesI 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.
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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.
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.
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I want to make a button in footer template invisible from code behind, but i am unable to do that.
I tried
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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..
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<asp:Content ID="Content3" runat="server" contentplaceholderid="ContentPlaceHolder3">
<asp:LoginView ID="LoginView1" runat="server">
<AnonymousTemplate>
<asp:Login ID="Login1" runat="server" BackColor="#FFFBD6" BorderColor="#FFDFAD"
BorderPadding="4" BorderStyle="Solid" BorderWidth="1px" Font-Names="Verdana"
Font-Size="0.8em" ForeColor="#333333" onauthenticate="Login1_Authenticate1"
[code].....
i have used an login control for the users who have not logged in and defined login verification method on the click event of the button but while excuting i do get an error
Error 1 The name 'Login1' does not exist in the current context
I would like to find controls in the detailsview control placed in the EmptyData Template of the gridview. I am trying to create Insert new record for the gridview control.
1. If there are existing records in the table - works fine and sets my two values: I placed Detailsview and Insert Button in the footer of the gridview. I needed to set the values of two fields. When I click on the Insert button it saves new record and sets the field with the value (code attached - works fine). I also have a popup extender that opens detailsview - this works just fine.
2, If ther are not records in the table - saves record but cannot find and set controls on the detailsview Same thing setup in the EmptyData Template. The record is saved but I cannot Find and set the field value on the control.
1. Link button (on click) in the gridview footer (works fine)
protected void LinkButton1_Click1(object sender, EventArgs e)
{
string zupa1;
zupa1 = ddlSelectEmployee.SelectedValue;
try
{
DetailsView zupa = (DetailsView)gvTraining4.FooterRow.FindControl("DetailsView1"); TextBox zupa2 = (TextBox) zupa.FindControl("txtInsertEmployee");
zupa2.Text = zupa1;
}
catch
{
}
DetailsView dettraining = (DetailsView)gvTraining4.FooterRow.FindControl("DetailsView1");
TextBox training = (TextBox) dettraining.FindControl("txtTrainingType");
training.Text = "4";
}
2. EmptyDataTemplate.FindControl - can save record but cannot access txtInsertEmployee and txtTrainingType
DetailsView zupa = (DetailsView)gvTraining4.EmptyDataTemplate.FindControl("DetailsView1");TextBox
zupa2 = (TextBox)zupa.FindControl("txtInsertEmployee");TextBox
training = (TextBox)dettraining.FindControl("txtTrainingType");"4";
I tried to get the LoginName control inside LoginView LoggedIn template , despite several methods, the code still could not work.
I wished to change the default username to the customer name.
Here is the code:
<asp:LoginView ID="LoginView1" runat="server">
<LoggedInTemplate>
Hello, <asp:LoginName ID="LoginName1" runat="server"></asp:LoginName>
<br />
<div style="text-align: right; margin-right: 5px ">
<asp:LoginStatus ID="LoginStatus1" runat="server" LogoutPageUrl="~/Home.aspx" Font-Underline="True" />
</div></div>
</LoggedInTemplate>
</asp:LoginView>
At the code behind :
protected void Login1_LoggedIn(object sender, EventArgs e) {
LoginName loginName = LoginView1.FindControl("LoginName1") as LoginName;
Response.Write(loginName.ToString()); //for now I used Response.Write for testing purposes
}
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?
I have a footer with 3 textboxes and 2 button.one of two button is hide button, which when gets clicked, suppose to hide footer along with their controls, its has the following code:
if(e.CommandName.Equals("Hide"))