Forms Data Controls :: Update Error Of Gridview?
Sep 23, 2010
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 ?
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Apr 29, 2010
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?
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Jan 14, 2010
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]....
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Feb 20, 2013
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 ????
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Jan 13, 2010
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]....
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Nov 4, 2010
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."
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Jul 10, 2010
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.
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Mar 23, 2011
[Code]....
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Jun 28, 2010
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]....
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Feb 22, 2010
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]....
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Apr 19, 2010
i want to update the data of a database through a gridview update button
how can i attach a dataconvertion like this
[Code]....
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Dec 14, 2010
I have a parent gridview which has a child gridview in the itemsTemplate. Both are binded to different SqlDataSources. I can successfully update and delete rows in the child gridview. After updating in the child gridview, some related data in the parent gridview are not updated automatically. So i have placed ParentGridview.Databind() in the rowupdated event of child gridview. But it doesnt look working.
How can i accomplish this?
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Jan 14, 2010
I would like to ask a question on the visual basic codes to loop the gridview to retrieve the values and based on the values, it will be provided as parameters to update to the database table using stored procedure.
Firstly, I have a gridview named grvProduct. The page (ui) will be loaded with data from the database with the use of stored procedures. And only certain values can be edited through the use of template in gridview. So based on those edited values, I'm supposed to pass these values as parameters to the stored procedure which will then update a database table.
Let say, I have 3 records retrieved from the database and displayed in the gridview. And I would like to edit a values in the 3 records, how do I do batch update and pass those parameters to the stored procedure? I went to debug and step through the visual basic codes and realised there were too many arguments specified because I actually loop the gridview.
Below is my visual basic codes:
[Code]....
Below is my Stored Procedure code:
[Code]....
I believe it is the error in the looping of the gridview which results that I could not batch update the data/values.
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Jul 31, 2012
I have a query . I want to edit the grid view columns in which user click the edit button he will edit the column in the grid and after that i want to add update button so that when he clicks on updates button after editing the row. The row will be updated and the grid will show you the new update row.
Here is my following piece of code.
<asp:GridView ID="noticeDetails" runat="server" BorderWidth="1px" AutoGenerateColumns="false" PageSize="10" Width="100%" CellPadding="10"
AutoGenerateEditButton="true" onrowediting="noticeDetails_RowEditing" >
<Columns> <asp:TemplateField HeaderText="CampaignIDRange">
<ItemTemplate> <%# Eval("CampaignIDRange")%>
[Code] ....
Basically grid is about that when user enter values intothe grid, the values will show in to the grid upon click button.I added edit button it works fine but it will incomplete without update button method ...
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Feb 6, 2011
- I have a Gridview , when i click button edit of each rows to update database in Gridview . So when in edit mode , i want to update database in Gridview by using a button outside of the gridview instead of using a button inside Gridview .
- Here is my code used for update database by a button inside Gridview :
[Code]....
- So how i can do with a button outside Gridview to update batabase? .
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May 18, 2010
I know this is simple and have already googled it, I know we should use foreach loop on collection of gridviews and have our logic there but I am unable to get the row index , If any one could give me a working example ,
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Aug 9, 2010
I'm trying to create a Formview in ASP.net 3.5. The underlying SQL Server table does not have an identity field based Primary Key. The primary key is a 4 character user entered field. I have created the form and all looks good but I get the following error message when I try to insert a record
Could not find a row that matches the given keys in the original values stored in ViewState. Ensure that the 'keys' dictionary contains unique key values that correspond to a row returned from the previous Select operation.
I thought ViewState was supposed to resolve the issue. I have viewstate enabled on the page and the formview but that doesn't seem to make a difference.
How can I create a form view with a user-entered text field as the primary key and get the b.... thing to work?
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Dec 10, 2010
I have a set of dataset with different column retrieved from DB. I need to present the datasets in one GridView (or other ListView etc...) without specifying the column_header. It should present automaticly since the GridView is bind to the DataSet.
In additional, I want this GridView to handle multiple rows edit and update the dataset, idealy, show data in textboxs in initially.How could I set the GridView to edit_model without hardcode column_header and textboxs in 'itemtemplate' or filed.
How could I achieve the bulk edit and update, so that I can assign 'mydataview1.table' to the dataset.
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Apr 26, 2010
how would i do my Gridview delete command like a update command?
im using a datasource... and my delete command is like my update command... so i can change the status into "INACTIVE"...
DeleteCommand="UPDATE ACCOUNT_MAINTENANCE SET am_status = 'INACTIVE' WHERE (accmain_no = @accmain_no)"
UpdateCommand="UPDATE [ACCOUNT_MAINTENANCE] SET [account_type] = UPPER(@account_type), [min_deposit] = @min_deposit, [min_capital] = @min_capital WHERE [accmain_no] = @accmain_no"
when i press my delete command at gridview... the status changed into "INACTIVE" but when i refresh or press f5... it automatically update the status into "INACTIVE" also...
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Mar 24, 2010
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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Jun 22, 2010
Lang-ASP.NET C#
Database-SQL SERVER 2005
[IMG]http://i48.tinypic.com/2sa1iza.jpg[/IMG]
my code
[Code]....
Database Structure
Author_name-Varchar(20)
Book_name -varchar(20)
date_of_issue-datetime
sno-auto identity
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Aug 25, 2010
I'm using an edit button on each row of my grid to popup a set of controls in another div tag. I trying to update a row in the gridview. I have an event grid_RowEditing:
[Code]....
What is the next thing I need to made a drop down list work in the popup?
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Nov 9, 2010
I m trying to edit in gridview. Also i m using footer of gridview to insert data.
[Code]....
My sqldatasource code for editing
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Mar 18, 2010
i can update the first item in the dropdownlist only which called(Flipper) and its image in the gridview,but i cant update the others(River,OK) productsi have two pages,one is display all the product and edit link(hyperlinkfield),when i click on the edit link,it transfers me to theupdate product page(The problem is in this page)AddEditProduct page
[Code]....
UpdateProduct page
[Code]....
updateproduct.cs
[Code]....
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Jan 24, 2011
I have 3 textboxes and one gridview.
When i click on Edit button the entire will store data will store into particular textboxes.
How to do it?
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