Forms Data Controls :: Same Instance Of Usercontrol In Two Places In Same Page?
Mar 23, 2011
i am using a usercontrol with repeater for custom paging in grdiview. Everything works fine. I am able to display link buttons and able to pull exact records. Now i have a little user friendly requirement. The pager usercontrol should appear at top of grid and bottom of grid. For that i have placed two instances of usercontrol. I am supposed to place same instance of usercontrol in two places so that whatever button click in any instance should happen in all available instances. The issue is i clicked page 2 (link button) in top pager user control. Its changed to selected mode(non clickable) where as bottom remains same, page 2 is clickable. How can i proceed?
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Sep 27, 2010
There are 2 UserControls UC1 and UC2, and there is one more class C. I want to share the same instance of c in both UserControls. I know that this can be possible with properties in both UC's and by registering UC2 in UC1 or vice versa. But I want the solution to be loosely coupled. Any best possible way without touching the Actual Page (which hosts UC's)? So i need some best possible way between UCs transfering C.
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Jan 28, 2010
I have this specific task: I have a contacts table, and when users view a specific contact in details page I want to display a button in the page (doesn't matter anywhere, but inside the detailsview control next to the "edit" hyperlink is better), when it's clicked I want to grab all the info of this contact instance and write it to Response so user can save it through the save file dialog. So far I have two problems1. How do I access the contact? it's displaying on the page but when I tried detailsview.dataitem it returns null, e.result in the datasource selected event handler also returns null...2. I can get the button (outside the detailsview control) to trigger the file download dialog, but how do I achieve the same thing if the button is placed inside the details view which is in turn inside a updatepanel?
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Jul 17, 2010
This is page load
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{ [code]...
But in my ascx.cs when IButton1_Click is trigered My name is null
private string _sname;
protected void Page_Load(object sender, EventArgs e)
{ [code]...
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Oct 27, 2010
i have some labels on a page. some id like to show 1 decimal place, and others to show the nearest whole number.how do i control the decimal places my labels show?
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Nov 2, 2010
I have a repeater which always has 1 UserControl, however the UserControl can vary, lets say it could be UC1, UC2 or UC3.
When I come to validate that a hiddenfield in each is not empty, I iterate through the repeater items but I have to do a findcontrol on UC1 check an exposed value, then do the same for UC2 then UC3. In all its a bit unwieldly.
What it would be great to do is iterate through the repeater items find the hiddenfield (which is the same name for each UC) and test that in one go, like below:
foreach(RepeaterItem item in Repeater1)
{
... some code here to start off with
HiddenField hfAnswer = (HiddenField)item.FindControl("HF_Answer");
if(hfAnswer != string.Empty)
do something here
}
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Jul 27, 2010
I have a master gridview that I am populating data to. I am am also counting records of open and closed and I want to display the percentage closed. I am using the following code. It always rounds up. In other words, if the actual calculation shows it to be 0.16 it will always display in the label as 0.2 I cannot figure out what I am doing wrong. If I just take two numbers and divide them in the code it displays 0.16676767. Here is the code I am using. The first line is on up in the code but I plugged it here to show you that I am using a session variable to add to as I rip through the code. I have all three of the variables I am placing the session variables in defined as Dim xxxxx as single.
[Code]....
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Nov 10, 2010
how to use gridview usercontrol (Ascx) and sql pass to aspx page
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Sep 18, 2010
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[code]...
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Feb 16, 2011
I have a UserControl that I need to add dynamically. I tried to follow this MSDN article, but I'm not having any success....[URL]
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I added a reference to the control in the .aspx page that will use it, like this:
<%@ Reference Control="~/PictureGallery.ascx" %>
And in the UserControl I added a ClassName like this:
<%@ Control Language="C#" AutoEventWireup="true" CodeFile="PictureGallery.ascx.cs"
Inherits="PictureGallery" ClassName="PictureGallery" %>
When I try to create an instance in the .aspx.cs like the article suggests, Dim gallery As ASP.PictureGallery, I get an "Type ASP.PictureGallery is not defined".
The article mentions a namespace, ASP, and I tried importing it to the .aspx.cs with no luck. So, I'm not able to get a reference to the UserControl.
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Mar 23, 2013
i want to pass an entire grid view from once page to another without using web user control.
how can we create an instance of the grid view on some other page.
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Jan 25, 2011
I tried both, loading the usercontrol when needed and I also tried adding it directly into the aspx.
Nothing worked. With the second one (what's meant to be the easiest option) I tried with delegates and events (but can't access de usercontrol event from page) and tried with properties (I can access properties but they're always empty)
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May 7, 2015
When I am Exporting CSV Using Reader,Here Attached Coding for your reference,
PrecisionColumns = New String() {"Salequantity", "Salevalue", "Purchasequantity", "Purchasevalue", "Stockvalue"}
If Trim(Rdr.GetValue(I).ToString() <> "") Then
csv += Format(CDbl(Rdr.GetValue(I).ToString()), "0.00").Replace(",", ";") + ","c
End If
csv += vbCr & vbLf
Response.Write(csv)
... ...
I get precision in CSV file ,but when i open the csv file in excel Precision not showing, how to show precision on excel sheet...
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Apr 19, 2010
In the same Code behind file I have:
// This works
Label lblTopNavBarInfo = (Label)Master.FindControl("lblTopNavBarInfo");
lblTopNavBarInfo.Text = "Currently Serving: + FirstName + " " + LastName ;
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Jan 25, 2014
On MasterPage i have function below, how call this function on test.ascx form on button click.
public void HideBtnLogin() { string session = Session["userCode"] as string; if (String.IsNullOrEmpty(session)) {
lbtnSignInTop.Visible = true; lbtnSignUp.Visible = true;
}
else { lbtnSignInTop.Visible = false; lbtnSignUp.Visible = false; } }
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Aug 22, 2012
i hav one data table in which some decimal values are up 6 decimal places.. im trying to bind that Data table to DataGridView while binding i want to round decimal values up to two decimal palces here is my code
dt.Columns.Add("Orderid", typeof(string));
dt.Columns.Add("tagnumber", typeof(string));
dt.Columns.Add("Minimum Value", typeof(string));
dt.Columns.Add("Maximum Value", typeof(string));
int count = ds.Tables[0].Rows.Count;
for (int i = 0; i < count; i++)
[code]...
hows hould i round up while binding..?
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May 7, 2015
I was read your post: "Export GridView to Excel in ASP.Net with Formatting using C#" and is very useful. That code works perfect. But I need create a new format for a specific column in my sheet before to export it. For example:My DataTable have a column with decimal numbers and I'm trying reduce the tenths for each number.I want this: 2,874444 ----> 2,87 for a specific range. In this case I need it for all numbers in the column 13 or well said for the Column called N in Excel. Only reduce two tenths.
I used:
xlWorkSheet.Range["N"+h,"N"+h].NumberFormat = "0.00";
And no works (h is for rows, N is the column. Into a foreach).
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Apr 25, 2014
I have a ShoppingCart UserControl on MasterPage. I have a following functionality: User adds item to the cart. after clicking the button "Complete Sale" in UserControl the page is redirected to "CustomerInfo.aspx" and after filling the Customer information and clicking on submit which is on CustomerInfo.aspx page i want to call the "Complete Sale" click event of UserControl from "Customerinfo.aspx" page.
Customerinfo.aspx.cs
protectedvoid btnSubmit_Click(object sender, EventArgs e)
{
try
{
bool val = false; int retVal = 0;
CustomerBiz objCust = newCustomerBiz();
objCust.FirstName = txtFirstName.Text.Trim();
[code].....
Here the Button text changes in UserControl. But i am not able to call the Click event of this button from CustomerInfo.aspx (ContentPage)?
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Jan 24, 2014
On masterPage i have button btnTest, how hide button from masterPage on userControl.ascx
example:
btnSecondPage_click
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btnTest.visible = false;
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Aug 29, 2010
I got this error.
This application for delete multiple record in gridview using Check Box.
. I tried before one application, that one finally worked,
That application also error occurred, but after some time it execute(automatic I didnt do anything) correctly,
Object reference not set to an instance of an object.
Description:
An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
Exception Details: System.NullReferenceException: Object reference not set to an instance of an object.
Source Error: [Code]....
Source File: c:InetpubwwwrootAdditionUpdateDefault.aspx.cs Line:155
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Sep 29, 2010
I have a business class "Repositorio" with methods to create, update and delete objects.
i have a gridview and i need to fill it with the list of objects returned by these methods.
i used like this:
[Code]....
The problem is that i need to select, delete and edit itens, but the grid dont recognize the other methods...
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Jan 29, 2010
How can I get the result with decimal place? The following will return 33.00, but how can I get the result of 33.33?
[Code]....
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Sep 15, 2010
I have user control (3 dropdownlist and a button) and Listview with data pager in my aspx page.Now on click of the button in user control i pass dropdownlist value to my page and based on the value i get data and show in listview..i am trying to implement this fetaure http://mattberseth.com/blog/2007/12/data_navigation_with_the_listv.htmlThis works great if i have datasource bind to listviewn and paging works as shown in example.But in my scenario i have to get the value from code behind and bind the data and a result i am not able to implement the pager functionality as shown in the example.So is it possible to pass value to parameter of objectdatasource from usercontrol and implemet paging as show in example.??
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Mar 18, 2010
I think I am not a beginner in asp.net, but now maybe I dont see the solution because it must be so easy..I have a simple Repeater on an UserControl(ascx).After a Postback on a button click I would like loop trough allthe Items from the Repeater, but the RepeaterItem-Collection is Empty!!!!!But NOW it comes, when I move the whole code from the UserControlto the Codebehind of an Page, and move the Repeater also to the Page.It works!!!! The Items-Collection are not empty after the Postback!!!Here is the simple Codebehind from the UserControl:
protected override void OnLoad(EventArgs e)
{
base.OnLoad(e);
[code]...
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Mar 16, 2011
How can i use usercontrol in gridView or data grid for show news
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