Forms Data Controls :: Errors Happening On Controls That Were Not Touched
Mar 18, 2010
I have a dashboard type page that was working fine. I create a new page to test some different controls. Now none of my pages work.Errors are happening on controls that were not touched. I have tried removing things, commenting entire sections but each time I do I get a different error in a different section. I have installed nothing new. The latest is:
BC30456: 'CreateResourceBasedLiteralControl' is not a member of 'ASP.frametest_aspx'.
BorderStyle="Outset" ScrollBars="Both" Font-Size="Smaller" Line 145: ForeColor="Black" Font-Names="Georgia"> Line 146: <asp:TabPanel runat="server" HeaderText="WorkloadStats" ForeColor="Red" Font-Names="Georgia"> Line 147: <HeaderTemplate> Line 148: WorkloadStats
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Aug 20, 2010
I have been experiencing instances where a FormView update or insert event fails and should throw an exception, but doesn't. This seems top be related to my switch to Visual Studio 2010 Ultimate and .Net 4.0. Since the switch I have seen this problem several times. Is there something new in .Net or VS that I need to do or set to get the exceptions thrown? Other exceptions seem to work fine...it's just with FormView and SQLDataSource that I don't see them.The specific errors I don't see reported include misspelling a field name in the Select, Insert or Update commands in the SqlDataSource.
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Jul 22, 2010
I figured I'd post here while I'm scouring the internet for a solution to my problem.
This code works:
[Code]....
My DataAccess method just uses the SQL statement and returns a dataset. If I comment out the repeater DataSource and DataBind lines, it will build successfully. And I know the dataTable has the information I want because I was able to step through and see it. If I leave in the DataSource and DataBind lines, I'm not even able to step through. I have no errors and no warnings, just build failed.
*EDIT* I apologize for the ugliness of this post, I don't know what happened. I changed the repeater to a DataGrid, and still got the Build Error without any errors. I went on anyway, came back, and now everything works fine. A little bug must've crawled in while I wasn't looking.
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May 7, 2015
In a grid view me bind the data .if i click the update it throw the error like this
Server Error in '/bramandam site' Application.
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:
Line 81: TextBox tfn = (TextBox)dv.FindControl("tsn");
Line 82: Label lb = ((Label)dv.FindControl("Label4"));
Line 83: string qry = "update section set sectionid='" + tbf.Text;
Line 84: qry += "',sectionname='" + tfn.Text;
Line 85: qry += "' where pk='" + lb.Text;
Source File: d:jquery themesramandam siteSection.aspx.cs Line: 83
Stack Trace:
[NullReferenceException: Object reference not set to an instance of an object.]
Section.GridView1_RowUpdating(Object sender, GridViewUpdateEventArgs e) in d:jquery themesramandam siteSection.aspx.cs:83
System.Web.UI.WebControls.GridView.OnRowUpdating(GridViewUpdateEventArgs e) +133
System.Web.UI.WebControls.GridView.HandleUpdate(GridViewRow row, Int32 rowIndex, Boolean causesValidation) +720
[Code] .....
Version Information: Microsoft .NET Framework Version:2.0.50727.4984; ASP.NET Version:2.0.50727.4971
if i click the update i need to throw the error edit and update the content
my gridview is
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" DataKeyNames="sectionid" onrowdeleting="GridView1_RowDeleting" onrowcommand="GridView1_RowCommand" onrowediting="GridView1_RowEditing" onrowupdating="GridView1_RowUpdating" BackColor="White" BorderColor="#E7E7FF" BorderStyle="None" BorderWidth="1px" CellPadding="3" GridLines="Horizontal">
<RowStyle BackColor="#E7E7FF" ForeColor="#4A3C8C" />
[Code] ....
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Nov 12, 2010
I have two Listboxes side by side. First Listbox lists all employee. I have a button to move selected employee from Listbox 1 to Listbox 2. If i select multiple employee from ListBox 1 and click on a button to move to selected employee to ListBox 2, then only alternate selection is moved.
For example.
If ListBox 1 have employee listed as :
1. John
2. Micheal
3. Bryan
After moving to ListBox 2. It shows:
1. John
2. Bryan
My Code is:
protected void btnAdd_Click(object sender, EventArgs e)
{
for (int LItem = 0; LItem < this.ListBox1.Items.Count; LItem++)
{
if (this.ListBox1.Items[LItem].Selected)
{
this.ListBox1.Items[LItem].Selected = false;
this.ListBox2.Items.Add(this.ListBox1.Items[LItem]);
this.ListBox1.Items.Remove(this.ListBox1.Items[LItem]);
}
}
}
}
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Jan 15, 2012
I have a gridview with a select command.. When user selects a row.. I need to populate 4 dropdownlists with the values in gridview, dropdownlist which are also populated at page load event...
Though there is value in the dropdownlist when i try to update it selects 0th value.. Since while updating i use drptask.selectedvalue.tostring() since i am saving int values in database
It stores value as 0 in database..
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Nov 28, 2010
Trying to check if an insert of a new record into an SQL table is happening successfully. I can see that the insert is occuring OK but am not getting the verification to happen.
I'm a little new to C#, I'm thinking it may be in the syntax I'm using in my method in the .cs file line 45. Can't seem to fix it right though.
[Code]....
[Code]....
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Feb 22, 2010
We used to have sql server 2005 on our production web server. We recently moved it off to its own dedicated server. . Now we started getting these sql errors... A transport-level error has occurred when sending the request to the server. (provider: TCP Provider, error: 0 - An existing connection was forcibly closed by the remote host.)
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Mar 7, 2010
Connection Errors
[Code]....
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Apr 7, 2010
[Code]....
the the error say's that the "gender, address1, address2, postcode, TelNo, MobileT, ParentG and ParentGE" are all not declared. but as the code shows i've used dim to declare those feilds.
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Jul 2, 2010
I have a C# web forms ASP.NET 4.0 web application that uses Routing for URLs for some reason custom errors defined in the system.web section of my web.config is entirely ignored and it will fall back the IIS errors.
This gets entirely ignored
[code]....
This would be a minor inconvenience except that by the fact it falls back to IIS native instead of my application it completely circumvents Elmah logging my 404 exceptions correctly.
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Mar 24, 2010
I am selecting the date field in the 'dd-mm-yyyy' format by using SQL Codes(103,105...).While inserting I want the userto insert the date in same format(dd-mm-yyyy) but it will not happening as in SQL Server we need to insert the date in'mm-dd-yyyy' format.Pls send me insertion query in sql to achieve this.Pls respond me ASAP.
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Jun 8, 2010
I have a drop down with different domains(domain_id column) and a textbox (TextBoxComment) for comments. What I am trying to do is select the area, input a comment, click the button and have it save to the db. My connection string errors on compile.
[Code]....
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Jan 4, 2010
i have this function in sql server 2000
[Code]....
but it return a lot of error when i check the sintax where is the wrong?
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Jul 11, 2010
I have an SQL 2008 R2 database on an X86 machine that I have backed up a database from. Now I want to restore it to an SQL 2008 R2 instance on an X64 machine and keep gettting format errors (attributed to restoring a higher version of database to a lower database instance ie 2005 to 2008). On inspecting the databases I find the X86 is version 10 and the X64 is version 9 (which is supposed to be the 2005 database)...are there different versions of the same DB for different software platforms?
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Jul 28, 2010
I am passing values from textboxes on the webform to my stored procedures where it should insert values passed.
It is giving an error like Cannot implicitly convert type 'string' to 'System.Data.SqlClient.SqlParameter' at place where I am cmdselect.Parameters.Add("@PackageName", SqlDbType.VarChar, 50) = PN; where PN is string type .
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Mar 30, 2010
I'm a beginner with ASP.NET. I'm using SQL Server2005 Management Studio. The problem I facing is arises when I tries to run any query,even the simplest, it doesn't identifies the table. as below:
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Feb 4, 2010
I m passing Id from one page to another other page using querystring string. At first time it is displaying data in datalist in 2nd page on basis of selected Id. But again on home page while clicking on other image then previous record is showing. At second time, page load is not happening while testing using break point.
What is the error.? There is also AutoEventWireup="true".
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Apr 8, 2010
I have an update panel with a number of [asp:AsyncPostBackTrigger...] controls, and everything was working fine. But now, something keeps inserting duplicate AsyncTriggers, and instead of simply being [asp:AsyncPostBackTrigger...] controls they're [System.Web.UI.AsyncPostBackTrigger...] controls, and I get parser errors as a result. So I delete the duplicate triggers, and they get re-inserted within a few minutes, seemingly randomly.
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Jun 20, 2010
I downloaded the complete web dev 2010, asp.net and sql from your site, installed everything went ok, created site, published again everything ok. Asked in forum about images got answer and everything workedok.When I first set the site up, I could login and register new users, great I thought, however I then tried to create a page with a data set on it to view those users, I created a connection string with the wizard, tested connection which worked.When I published the page it came up with a ton of errors and after that I couldn't login or register any users, anyone got any ideas.
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Nov 29, 2010
NOTE: I have an aspx ASPX page which is rendered from a SiteMap. 1st time the POSTBACK happens, but subsequently in same sessions, POSTBACK does not get fired.
HACK (not working) - I have the refresh meta tag like this inside the HTML tag
<html>
<head id="Head1" runat="server">
<META HTTP-EQUIV="Refresh" CONTENT="2">
<link rel="Stylesheet" type="text/css" href="~/Main.css" id="style"/>
</head>
</html>
When I am visiting this ASPX page, I want this META tag to be called only ONCE. So, I was trying the following code in OnLoadComplete event ?- HtmlMeta meta = new HtmlMeta();
HtmlHead head = (HtmlHead)Page.Header;
head.Controls.RemoveAt(0);
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Sep 6, 2010
[Code]....
Alert Popup only happening once
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Sep 28, 2010
I was wondering if there's a way in Umbraco to log errors that we get when it fails to load xslt or user-controls. Generally it shows a red box saying it couldn't load the control and stuff. Is there a way to properly log this?
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Dec 21, 2010
When I build my program, if there's one error that prevents it from running, instead of just getting the one error I'll get around 50 additional errors in addition to the real one such as:
Error 27 Validation (XHTML 1.0 Transitional): This name contains uppercase characters, which is not allowed.
Is there any way to not show these?
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Dec 21, 2010
In form I have added two radio button and on one radio button oncheckedchanged event has been registered but this event does happen only when i select the button and not when i select the other(The checked is changed).
code is posted below:
<asp:RadioButton ID="RadioButton1" runat="server" GroupName="a"
oncheckedchanged="RadioButton1_CheckedChanged" />
<asp:RadioButton ID="RadioButton2" runat="server" GroupName="a" />
<asp:Button ID="Button1" runat="server" Text="Button" />
And the code behind page just print the text of 1st radiobutton on changing the selection.
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