protected void Page_Load(object sender, EventArgs e)
{
if (this.Page.PreviousPage != null)
{
int typeId = int.Parse(Request.QueryString["TypeId"]);
[Code]..
I want it in gantai gridvew into the ListView.
Failed to load viewstate. The control tree into which viewstate is being loaded must match the control tree that was used to save viewstate during the previous request. For example, when adding controls dynamically, the controls added during a post-back must match the type and position of the controls added during the initial request.
The above error occurs with gridview control , when used with template field columns with item template / and edit templates etc.
updating a row within gridview, at the time of loadiong it loads perfectly fined, but when tried to modify an existing row within gridview control, then it produces the error. Make sure the grid view control has to be a child control which manages the child table info with in a master form. to reproduce the above problem the grid view must be loading the child records info of a master within the masterform, meaning both master data and gridview data all to be managed in one single form.
I had to replace gridview control with datagrid and then it worked perfectly fine. I wasted almost 4 days of my time., there is no way we could figure out the problem. here is the full info of the problem.
Server Error in '/' Application.
Failed to load viewstate. The control tree into which viewstate is being loaded must match the control tree that was used to save viewstate during the previous request. For example, when adding controls dynamically, the controls added during a post-back must match the type and position of the controls added during the initial request.
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.Web.HttpException: Failed to load viewstate. The control tree into which viewstate is being loaded must match the control tree that was used to save viewstate during the previous request. For example, when adding controls dynamically, the controls added during a post-back must match the type and position of the controls added during the initial request.
Source Error:
[Code]....
Stack Trace:
[HttpException (0x80004005): Failed to load viewstate. The control tree into which viewstate is being loaded must match the control tree that was used to save viewstate during the previous request. For example, when adding controls dynamically, the controls added during a post-back must match the type and position of the controls added during the initial request.] System.Web.UI.Control.LoadViewStateRecursive(Object savedState) +306 System.Web.UI.Control.LoadChildViewStateByIndex(ArrayList childState) +134 System.Web.UI.Control.LoadViewStateRecursive(Object savedState) +221 System.Web.UI.Control.LoadChildViewStateByIndex(ArrayList childState) +134 System.Web.UI.Control.LoadViewStateRecursive(Object savedState) +221 System.Web.UI.Control.LoadChildViewStateByIndex(ArrayList childState) +134 System.Web.UI.Control.LoadViewStateRecursive(Object savedState) +221 System.Web.UI.Control.LoadChildViewStateByIndex(ArrayList childState) +134 System.Web.UI.Control.LoadViewStateRecursive(Object savedState) +221 System.Web.UI.Control.LoadChildViewStateByIndex(ArrayList childState) +134 System.Web.UI.Control.LoadViewStateRecursive(Object savedState) +221 System.Web.UI.Control.LoadChildViewStateByIndex(ArrayList childState) +134 System.Web.UI.Control.LoadViewStateRecursive(Object savedState) +221 System.Web.UI.Control.LoadChildViewStateByIndex(ArrayList childState) +134 System.Web.UI.Control.LoadViewStateRecursive(Object savedState) +221 System.Web.UI.Control.LoadChildViewStateByIndex(ArrayList childState) +134 System.Web.UI.Control.LoadViewStateRecursive(Object savedState) +221 System.Web.UI.Control.LoadChildViewStateByIndex(ArrayList childState) +134 System.Web.UI.Control.LoadViewStateRecursive(Object savedState) +221 System.Web.UI.Control.LoadChildViewStateByIndex(ArrayList childState) +134 System.Web.UI.Control.LoadViewStateRecursive(Object savedState) +221 System.Web.UI.Page.LoadAllState() +312 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1661
Version Information: Microsoft .NET Framework Version:2.0.50727.3603; ASP.NET Version:2.0.50727.3082
I have anested ListView control. I also implemented a jQuery to automatically expand the TextBox control inside of the nested ListView Insert Template. The problem is, when the Textbox expand, the outer ListView control is not; therefore, the Textbox control expands underneath the buttons of the outer listView control. How do I expand the outer ListView control as the nested ListView textbox is automatically expand? One great example is in Facebook where if I add a response comment, it'll automatically push any comments below mine down. If nested Listview control is not the best way to do this, what are my options?
View 8 Repliesi want to replace the control after binding like suppose i bind a gridview with the edit button . when i press the edit button all field are come as a textbox control. i replace this textbox to another control how to do this.
View 2 RepliesShort story: what can I replace asp:Menu web control so submenu items can be viewed in (a) Safari (iPad) and (b) IE8.0 NOT in compatible view. Need simple solution so non-Java script dummy can do.
View 3 RepliesI have big problem I have a table where the column is "Enabled" datatype = bit.
In this column I have data True / False. The show GridView column 'Enabled'. Problem is, as everywhere in this column, write True / False. How, in view of this information in the GridView displayed: True = Verified, False / UnVerified GridView, column is "Enabled"
Column Enabled:
No False
No True
Column Enabled I want this
Unverified
Verified
It should probably change the text, or something like that.
I am trying to replace carriage returns from a column in a database (MS access) with the br tag.
This could be easily done in classic ASP with <% = replace(recordsetField , Chr(13),"<br>") %>
Not sure how I would do it with .net (c#)
In my asp.net+vb web i have a label named company.text i use a dropdownlist to select the company names and that selected value is binded on company.text. When the dropdownlist is selected the data hets displayed in the gridview and also the selected company named is displayed in company.text.
i want to use this label (company.text) as a hyperlink to another page so that that company name can be used for string.Â
i a gridview i used this code
  <asp:HyperLinkFieldÂ
DataTextField="company"
HeaderText="company"
SortExpression="company"
DataNavigateUrlFields="PNO"
DataNavigateUrlFormatString="coy.aspx?company={0}" >
<HeaderStyle HorizontalAlign="Left" />
</asp:HyperLinkField>
I am relatively new to asp.net and program using VB. I have written the following code to try and replace ReadOnly CheckBoxes with an image as the CheckBoxes appear grayed out and difficult to see. The GridView is linked to a SQL DataSource to display information only.
The problem I am having is displaying the image for unchecked boxes where the data (PET) in the SQL table is set to 'false'. The code displays the checkbox image fine when the bit is set to 'true', but no image appears in the GridView rows where the bit is 'false'.
[Code]....
i have a grid view that displays a load of figures, and as there is a lot of zero's in these tables i wondered if it would be possible to just display nothing were there is a "0" ... just to make it look cleaner?
View 13 RepliesI have this scenario where i want to select multiple customers at a time and add them to a group/role. to do this i thought of using a gridView and listed them all with sqlDatasource and enabled 'selection' for gridview. but by default grid view is allowing only one selection at a time. so is there a way i can insert a new column of check boxes and some how read the gridview to know which checkboxes are selected? if you know a better approach than a gridview or check box please suggest me. i am not very familiar with asp.net so
View 3 Repliesi want to access gridview collumn 2 and for each row replace the text that is there with a "*" because its a password fields so instead on show the pass hide it with * so its more or less this but... see comment line
[Code]....
I am working on creating a stored procedure that will output a pivot table. In the pivot table will be either the string NULL or a number. How can I reformat this in ASP.NET so the NULL value becomes a blank cell in the gridview and the number (whatever it is) becomes an 'X' ?
View 3 RepliesI have a listview where inside Iitemtemplate one button and one label is placed.
I want to access the value of label on the click event of button.
I have a gridview which is binded to a Sqldatasource. I would like to replace a column data field value to 'Not Applicable' if that column has got a value of 2 in database.
View 2 RepliesI've an anchor tag in listview itemtemplate, I'm trying to find that control in Listview Item databound event with the below snippet
[Code]....
but lnkEdit is always null.
I wonder why it is not able to find the control while I can see it in page view source.
Why do we use this in ListView?
<tr
id="itemPlaceholder"
runat="server"
/>
I'm making a fairly simple online database where a user can upload a PDF file, along with 4 other data fields to a SQL DB. I have it working ok, sending the PDF to the DB as binary data. The problem is I would like to use a ListView control for the user to enter all of their data and choose the file to upload. When I use a ListView I receive the following error:
No mapping exists from object type System.Web.HttpInputStream to a known managed provider native type.
I've included the code I'm using to send the file to the DB (protected void ListView1_ItemInserting),
[Code]....
I am using a listview control and wanting an image to display if my DB is null for that record. I have used NullImageUrl="~/images/default/image-not-available.jpg" for my gridview controls and this does work, but does not work for ListView controls.Is there something similar i can try?
View 2 RepliesI want to know how to enable select in listview in ASP.Net.
View 1 Repliesusing .NET 4, SQL 2008 R2 and VS2010:
My issue is that the first row of data in my db table does not seem to be output to my ListView control when I run the page. The first item in the ListView control is the 2nd row of my db table.
If I execute the stored proc listed below in SQL Server Mgmt Studio all rows are returned to the query results window.
The ListView control is defined as follows:
[Code]....
I have tried almost evrything and nothing seems to work,,, I dont see errors but the code is not firing when I bind in the properties of the button control ,,nor the code behind.
aspx
[code]....
I have a page where I use the ListView and DataPager.My listview is populated as a table where each row has a bit data a dropdownlist with some values and a link button. Now I am trying to pick out the selected value from dropdown list when I kick on my linkbutton. As long as I'm on page one, everything is woriking fine. But if I go to page three then I can not pick out the value I selected in the dropdownlist. I have tried to add a textbox in the listview and then I am able to get the value out I typed into the textbox independent which side I'm on.
Why can I pick out the value from textbox but not the selected value in dropownlist?
Here is a piece of my code:
[Code]....
How to access the HeaderText of a listView control ?
I want to fill the headerText of a listview dynamically.
I have a objeckt :
class myfam
-name
-age
-home
I show object data in a viewlist like this:
Name ,age
Hans 32
John 40
Know how can i find out Hans is in my listview ? ...?? Listview.Items.contain("hans").....THIS is not working