i hava a gridview, with an sqldatasource control, if an update event goes to faili want intercept the error and manage ithow can i do? i cannot find the error event in gridview
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I have a grid view. I had set the autogenerateedit buttion to true. and i wrote the following code
[Code]....
So, When i click the edit button on the grid view, it will show me 'update' and 'cancel' buttons along with text boxes for cells 1 and 2. but when i change the data in those text boxes and click the 'update' button, 'response.write' is sowing me the previous values rather than modified values. How to get the modified values into str1 and str2 ?
I'm quite new to asp.net. I use MS Visual Studio 2008 and MySQL database. When I try to edit a record via gridview and the generated UPDATE syntax I get an error.I inserted a gridview into my asp.net web application and connected it to my database (all is OK). Then I checked for auto generation of update and other syntax:
[Code]....
When I test in a browser I get a pop window form for editing a record. But when I click "update" I get the following error:"You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '?, strSkrajsanNaziv = ?, strKraj = ?, strDavcnaSt = ?, SkupinaID = ? WHERE Stran' at line 1"what's wrong with the UPDATE syntax? Is this syntax only valid when using MSSQL?
I have a gridview,when i do it is giving me null object reference error.
I am posting my code for your reference -
[Code]....
My gridview code is -
[Code]....
I have a gridview to update soem records, it works on my development laptop but when i use it on the webserver i get the following error:
Exception Details: System.FormatException: Input string was not in a correct format.
Source Error: [Code]....
Stack Trace: [Code]....
I have another page with a gridview that does exactly the same but from another table, and that works both on the development laptop and the webserver.the code is:
[Code]....
Am running asp.net application with c#.Am using gridview to update and delete the columns.deleting is working fine.if am clicking the update button i got
System.NullReferenceException: Object reference not set to an instance of an object.
My code is;
protected bool IsRowModified(GridViewRow row)
{
int currentID;
string currentName;
string currentLocation;
currentID = Convert.ToInt32(GridView1.DataKeys
[row.RowIndex].Value);
currentName = ((TextBox)row.FindControl
("txtName")).Text;
currentLocation = ((TextBox)row.FindControl
("txtLocation")).Text;......
When I press in a button "Update", I find this error:
"objectdatasource could not find a non-generic method 'update' that has parameters:
ID_MODULE, NAME_COMPONENT, DESCRIPTION_COMPONENT, TYPE_COMPONENT, CODE_COMPONENT, ID_COMPONENT, NAME_COMPONENT_1, TYPE_COMPONENT_1, DESCRIPTION_COMPONENT_2."
And the code of my gridview in this page is:
<fieldset> <legend>Module <asp:Label ID="moduleNameLabel" runat="server"></asp:Label> components list</legend> <br /> <div class="scroller_rem_boq"> <asp:GridView ID="GridviewComponent" runat="server" DataKeyNames="ID_COMPONENT" AllowSorting="True" AutoGenerateColumns="False" PageSize="5"
[Code] ....
The update methode in "cwt_package.Component" is
public void Update(string ID_MODULE,string NAME_COMPONENT,string DESCRIPTION_COMPONENT,string TYPE_COMPONENT,string CODE_COMPONENT,string ID_COMPONENT) {try
{DataTable moduleComponenents;moduleComponenents = this.existsComponentInModule(ID_COMPONENT, CODE_COMPONENT, ID_MODULE);
if (moduleComponenents.Rows.Count == 0){ OracleConnection chaine = cwt_package.connexion.connectString();
[Code] ....
The package "pa_component.modifier" is:
"
PROCEDURE modifier( idComp COMPONENT.ID_COMPONENT%TYPE, codeComp COMPONENT.CODE_COMPONENT%TYPE, idMod COMPONENT.ID_MODULE%TYPE, nameComp COMPONENT.NAME_COMPONENT_1%TYPE, descr COMPONENT.DESCRIPTION_COMPONENT_2%TYPE, typ COMPONENT.TYPE_COMPONENT_1%TYPE ) IS
CURSOR cur_inputOutput( p_idModule COMPONENT.ID_MODULE%TYPE, p_idComponent
[Code] ....
The table Component contains this columns :
"ID_COMPONENT,ID_MODULE,NAME_COMPONENT_1,DESCRIPTION_COMPONENT_2
,TYPE_COMPONENT_1,CODE_COMPONENT"
Where is the error ????
I would like to generate a 401 page if the user does not have the right permission.
The user requests a url and is redirected to the login page (I have deny all anonymous in web.config). The user logs in successfully and is redirected to the original url. However, upon permission check, it is determined that the user does not have the required permission, so I would like to generate a 401. But Forms Authentication always handles 401 and redirects the user to the login page.
To me, this isn't correct. The user has already authenticated, the user just does not have the proper authorization.
In other scenarios, such as in ajax or REST service scenario, I definitely do not want the login page - I need the proper 401 page.
So far, I've tried custom Authorize filter to return ViewResult with 401 but didn't work. I then tried a normal Action Filter, overriding OnActionExecuting, which did not work either.
What I was able to do is handle an event in global.asax, PostRequestHandlerExecute, and check for the permission then write out directly to response:
if (permissionDenied)
{
Context.Response.StatusCode = 401;
Context.Response.Clear();
Context.Response.Write("Permission Denied");
Context.Response.Flush();
[code]....
First of all, I'm not even sure if that is the right event or the place in the pipeline to do that.
Second, I want the 401 page to have a little more content. Preferably, it should be an aspx page with possibly the same master page as the rest of the site. That way, anyone browsing the site can see that the permission is denied but with the same look and feel, etc. but the ajax or service user will get the proper status code to act on.
I was wondering if there is any way to view an sql statement that is created by a templateField Gridview when updating? I had my Gridview working properly then I changed my update statement to update less fields and I changed a couple more things on the page and now I don't know what broke it. The error I'm getting is
"System.Data.OleDb.OleDbException: Syntax error in UPDATE statement."
When I searched for this error it said to debug it but all that happens when I do that is visual studio tells me there were errors because it couldn't find my header, which it does find when it runs regularly so this isn't the problem.
I have a simple gridview control. It has edit and cancel buttons for each row. User's can click on edit column and edit a row and click on save to save the record.
When the user clicks on save we get the error: ORA-01008: not all variables bound
User is allowed to edit only 3 fields and rest of the fields are only readonly. For those editable three fields, I am using EditItemTemplate. ASP.net doesn't throw any errors for the first two edititemtemplates. The problem comes only with the third field which is "BSIS Type". I tried to figure out almost 5 hours and don't know what to do.
This the code I have:
HTML Code:
<asp:GridView ID="GridViewActualsMapping" runat="server"
HeaderStyle-BackColor="#444444"
HeaderStyle-ForeColor="White"
Font-Size="10pt" Cellpadding="4"
AutoGenerateColumns="False"
[code]....
Error is:
HTML Code:
ORA-01008: not all variables bound
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.Data.OracleClient.OracleException: ORA-01008: not all variables bound
I have a gridview and the gridview contains some boundfield, templatefield, checkbox and an update command button.
When I click the update button, I want to update only 2 columns. So I made rest of columns readonly=true.
BUT, there is a template field and I am changing the value of the template field from code behind. like below
[Code]....
I do not want to update the above column. so when I click update button, the rows having value more than 0 is working fine.
BUT The rows displaying "Expired" (value less than 0) showing error. It says "Object reference not set to an instance of an object."
I have a server side control RaiseCallbackEvent implemented. I want to intercept raisecallbackevent after it finished executing RaiseCallbackEvent method in the serverside and want to execute other code in the .aspx template.
1) Is there any pagelife cycle event that fires after RaiseCallbackEvent?
2) Is there any way to fire jquery function after RaiseCallbackEvent from client side?
I want to update multiple rows of gridview (only price field. for that i have added textbox) on click of update button which is outside of gridview.I have done following way
<asp:LinkButton ID="lnkUpdate" CssClass="BlueButton" runat="server" OnClick="lnkUpdate_Click">Update</asp:LinkButton>
[Code]....
Up to this its working fine but when no textbox updated then no need to go in for loop so i am looking for confiramtion before updating rows please help me how to do that becausei am less aware with javascript. another problem is textbox value disappear when page index changed how i can retain that values.
[Code]....
When i try to update a row using the update functionality of Gridview it updates all the rows rather then updating that specific row which is in edit mode.
[Code]....
When I add an update command to my page and run the page I get this error message
Server Error in '/MYApplication.
Incorrect syntax near '-'.Must declare the scalar variable "@recnum".
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.Data.SqlClient.SqlException: Incorrect syntax near '-'.Must declare the scalar variable "@recnum".
Source Error:
[Code]....
Stack Trace: [Code]....
Version Information: Microsoft .NET Framework Version:2.0.50727.3082; ASP.NET Version:2.0.50727.3082
Here is my code
<asp:SqlDataSource
ID="SqlDataSource1"
runat="server"[code]....
I have the absolutely most simple setup imaginable. A single table defined in an Entity model in ASP.net v4, the model is bound directly to a GridView with AutoGenerateEditButton enabled.However, each time I hit edit, then save, the page throws the error "Update is disabled for this control" for which I cannot find a solution.What is causing this error? What can do to resolve it?
<%
<asp:GridView ID="MenuItemsGrid" runat="server"
DataSourceID="gridDataSource"
AutoGenerateEditButton="true"
AutoGenerateColumns="true">
</asp:GridView>
<asp:EntityDataSource ID="gridDataSource" runat="server"
ConnectionString="name=dataEntitiesModel"
DefaultContainerName="dataEntities"
EntitySetName="MenuItems" />
%>
I want to intercept any postbacks in the current page BEFORE it occurs . I want to do some custom manipulation before a postback is served. how to do that?
View 5 RepliesI have a control used in our CMS and we don't have the source code for it, what I would like to do is change the rendered output of this control.
Now, I could have a check in my base Page class that checks if the control is being used on the page and then change the html that needs to be altered, but that seems a bit excessive for just 1 usage.
So is there any other way of changing the behaviour of the control without the source code? I'm thinking not other than the way described above.
I am implementing HttpModule for compressing request.Below is the codee for HttpModule:
public class Global : IHttpModule
{
public void Init(HttpApplication app)
{[code]....
It's able to intercept and compress js and css in the development web server but when i run it from IIS 5.1 it is not able to compress js and css files.
I am working on a tool which audits access to existing web application. Existing app does not have any hooks in place, but my plan is to inject an IHttpModule by modifying web.config and log whatever I need to log during EndRequest event.
What I'm struggling with right now is: I cannot intercept what is application writing to an output stream. I need to know what output does the application send to the client. Originally, I hoped I could run a code in BeginRequest to replace HttpContext.Response.OutputStream with a stream of my own, which would be flushed to original stream during EndRequest, but the stream only has a get accessor, so I cannot replace it.
I could of course use reflection to assign to private member of HttpContext.
n my A.aspx, I will call web method GetName in B.asmx
Is it possible, before my A.aspx call GetName in B.asmx, I inject or put some codes so when A.aspx try to call the method, it needs to go through my injected code without even changing the code in A.aspx and B.asmx?
Is custom HttpModule able to handle this scenario? If yes, how? Which HttpModule's event that occurred before the page actually called the web service?
I have user's who are losing their data because they sit on a page too long, then are asked to log back in. I want to do the following:
1) Instead of redirecting them to a login page, I want to cancel the current request and give the user a popup dialog box to login with.
2) When the login is successful, I want the user to be sent back to their form, with all data intact. (Even better if the request could go through without sending them back to that form, but this is optional).
How can I intercept these authentication requests, and present the user with a popup login?
I am using ASP.net forms authentication.
I wish to be able to place a System.Web.ActionFilterAttribute on an Action Method and override the OnActionExecuting method to insert business logic which determines if the Action should be fulfilled. Can the ActionExecutingContext be used to cancel the executing Action Method and do one of the following:
Send an HTTP Status Code (and the corresponding <customError> page).Execute a different Action Method within the same Controller.
I have installed an HttpModule into my web app that will handle all requests with a given file extension.
I want ASP.NET to handle all requests with the extension, regardless of whether there is an underlying file on disk. So, when I added the extension to the 'Application Extension Mappings', I unchecked the 'Verify that file exists' checkbox.
However, this just transfers the file check to ASP.NET rather IIS, so I just get a different error page when requesting URLs with the file extension.
Is there a way to preempt this ASP.NET file checking and intercept the requests?
