I have a gridview inside update pannel and i enabled sorting for the grid if i click to sort a column it does postback and then the grid doesn't show in anather way i have item template column inside of the grid and i am using a button to call a function ,if i click on this button it do the function but the grid doesn t show after the post back
View 4 RepliesI have put the following method in my master page. It works when I call it on a full post back, but when I call it from a updatePanel's asyncPostBack no alert is shown.
public void ShowAlertMessage(String message)
{
string alertScript =
String.Format("alert('{0}');", message);
Page.ClientScript.RegisterStartupScript(this.GetType(), "Key", alertScript, true);
}
What do I need to do so it works on partial post backs?
Being new to ASP.NET I have run into trouble building my own Whack-a-mole program. I think my problem comes from using Buttons, which by themselves send post backs to the server, making the software unusable. The looks are in place, making new buttons show up in the grid, in different places by random. However, when a button is pushed - the score doesn't change (which I feel is strange).
Not so strange is that the Button doesn't work since it sends post back to the server - reloading the UpdatePanel. I think I should use a different controller like the CheckBox and style it hard using CSS (which isn't a problem). Is this the correct way to go, or should I make use of JavaScript AJAX instead?
Note to self: This technique shouldn't be used in a public application since it put too much unwanted pressure on the web server.
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I have a gridview bound to a sqldatasource with editing enabled. If I click Edit, then either Cancel or Update, the update or cancel occurs and the Edit button reappears. However, I cannot then click the browser's back button without having the Update and Cancel buttons reappear. A second click of the back button takes me to a state where the Edit button shows again, *then* another back button click will take me to the referring page (the one before the one with the gridview on it.) IOW, it looks like the postbacks are cached. How can I prevent this and have the back button go straight to the referring page?
View 4 RepliesI have three identical procedures that are all used to open the contents of a GridView into Excel. One was working fine but the other two were getting a 'RegisterForEventValidation can only be called during Render();' error when attempting to run the form.RenderControl(html) command. The only difference I saw was that the one that was working had the allowsorting value set to 'False' where the other two were set to 'True'. I set the other two to false and they worked. So what is going on here? Why would this cause the error; is the GridView somehow doing a post back and loosing settings when this value is set?
View 3 RepliesI have a GridView control that has an ItemTemplate that contains an HTML radio button. In my code behind I am querying a database, retrieving a column of values, and then binding the list to the GridView. My problem is that the radio button that I select is not being persisted on post back. I have tried using an ASP RadioButton rather than an HTML control, but when I do that all of the radio button can be selected at the same time (i.e. like check boxes). how to persist the radio button that is selected in this scenario?
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If the grid column is clicked to sort i dont want to retireve data agian, i can get it from viewstate, but i dont know if that triggered the post back or if the ImageButton on the page triggered it
View 5 RepliesI have 3 textboxes , 1 dropdown , 1 Button and 1 gridview .
Textboxes ID are :ACode , ADesc , ASeq
DropDown ID is :CPhase
Button ID is :AddRowBTN
GridView ID is :PhasesTempGrid
Now whats the story is ?After adding some data into textboxes , when a user clicks ADDRow BTN , that data gets saved into datatable , then that datatable gets binded to gridview and it shows my textboxes data in it .
What i want to achieve ?In my gridview i am use templateField and inside that template field there are textboxes ( Let the users edit the row without clicking any button ) .
Take an example of dummy data and problem persisting in there :for e.g i put some data in textboxes :ACode = "ABCD"ADesc = "EFGH"ASeq = "HIJK"Then i click Add BTN , it saves the data in datatable and show in gridview , now if i do this in gridview :ACode = "Edited ABCD"ADesc = "Edited EFGH too"ASeq = "WoW There"Then i click Add BTN , it removes the edited record in gridview and shows original data which had came earlier from textboxes :ACode = "ABCD"ADesc = "EFGH"ASeq = "HIJK"I don't want that to be done ... Simple is that user can enter data from textboxes , click the btn to submit into grid then he can edit the data like he want ... data must not get flashed , here's my coding i have done so far :
public void AddNewData()
{
var dt = new DataTable();
if (ViewState["myDatatable"] != null)
{
dt = (DataTable) ViewState["myDatatable"];
}
[CODE]...
here i havent added dropdown combo in gridview but you can do it so that it will save my time (Bind it just the way PhaseDropDown have bind)...
I do a gridview code that when displaying the information that come from the database is not showing any error at all, but is not displaying the right picture. The problem, I think, is that the (Eval("....") is not reading the values that are coming from the DataKeysNames. Due to this the right pictures are not displayed. But in another column, just for testing purposes I was able to display the values from DataKeysNames with the Eval. So I do not know what is going on and to make worse browser is not giving me any error. So, this is the line that is not processing, reading or executing well:
ImageUrl='<%# IIF( (Eval("TUDTIWasItemUpgraded")) = "Yes", string.Format("~/Images/ItemUpgradedTo.gif"), string.Format("~/Images/ItemNoUpgradedYet.gif") ) %>'
And this is the complete code for the GridView
<
asp:Panel
ID="DownlineUDTIGameClassifiedsViewPanel"
runat="server"
>
<asp:GridView
ID="DownlineUDTIGameClassifiedsViewGridView"
runat="server"
AutoGenerateColumns="False"
DataKeyNames="AutoNumber,TUDTIWasItemUpgraded"
DataSourceID="DownlineUDTIGameClassifiedsViewSqlDataSource"
CellPadding="4"
ForeColor="#333333"
AllowPaging="True"
PageSize="100"
OnDataBound="DownlineUDTIGameClassifiedsViewGridView_DataBound">
<FooterStyle
BackColor="#00693E"
Font-Bold="True"
ForeColor="White"
/>
<RowStyle
BackColor="#FFFBD6"
ForeColor="#333333"
/>
<PagerStyle
BackColor="White"
ForeColor="#333333"
HorizontalAlign="Center"
/>
<SelectedRowStyle
BackColor="#FFCC66"
Font-Bold="True"
ForeColor="Navy"
/>
<HeaderStyle
BackColor="#00693E"
Font-Bold="True"
ForeColor="White"
/>
<AlternatingRowStyle
BackColor="White"
/>
<PagerSettings
Mode="NextPreviousFirstLast"
Position="TopAndBottom"
/>
<Columns>
<asp:BoundField
ItemStyle-HorizontalAlign=Center
DataField="TUDTIGenerationNumber"
HeaderText="Generation"
SortExpression="TUDTIGenerationNumber"
/>
<asp:BoundField
DataField="TEnterDate"
HeaderText="Enter Date"
SortExpression="TEnterDate"
/>
<asp:BoundField
DataField="TItemTitle"
HeaderText="Listing Title"
SortExpression="TItemTitle"
/>
<custom:LongTextField
DataField="TListingComment"
Width="400px"
Height="75px"
HeaderText="Listing Comment"
HtmlEncode="false"
/>
<asp:TemplateField
HeaderText="Picture">
<ItemTemplate>
<asp:ImageButton
ID="ThumbNailImageButton"
runat="server"
Width="75px"
PostBackUrl='<%# string.Concat("~/Classifieds/DetailPage.aspx?AutoNumber=",Convert.ToString(Eval("AutoNumber")),"&FlagForm=NoSubmitted")
%>'
ImageUrl='<%# IIF(System.IO.File.Exists(Server.MapPath(string.Format("~/UploadedImagesClassifieds/{0}{1}",
Eval("AutoNumber"), "Pic1.jpg"))), string.Format("~/UploadedImagesClassifieds/{0}{1}", Eval("AutoNumber"), "Pic1.jpg"), "~/UploadedImagesClassifieds/NoPicture.gif") %>'
/>
</ItemTemplate>
<ItemStyle
HorizontalAlign="Center"
/>
</asp:TemplateField>
<asp:TemplateField
HeaderText="Item Upgraded To">
<ItemTemplate>
<asp:Image
ID="XItemUpgradedToPicture"
ImageUrl='<%# IIF( (Eval("TUDTIWasItemUpgraded")) = "Yes", string.Format("~/Images/ItemUpgradedTo.gif"),
string.Format("~/Images/ItemNoUpgradedYet.gif") ) %>'
runat="server"
Width="150px"/>
</ItemTemplate>
<ItemStyle
HorizontalAlign="Center"
/>
</asp:TemplateField>
<asp:TemplateField
HeaderText="Testing">
<ItemTemplate>
<asp:Label
ID="Label1"
runat="server"
Text='<%# Eval("TUDTIWasItemUpgraded") %>'
>
</asp:Label>
</ItemTemplate>
<ItemStyle
HorizontalAlign="Center"
/>
</asp:TemplateField>
<asp:TemplateField
HeaderText="Item Upgraded To">
<ItemTemplate>
<asp:Image
ID="ItemUpgradedToPicture"
ImageUrl="~/Images/ItemUpgradedTo.gif"
runat="server"
Width="150px"/>
</ItemTemplate>
<ItemStyle
HorizontalAlign="Center"
/>
</asp:TemplateField>
</Columns>
</asp:GridView>
Loading image on every postback ...
I have three textbox say textbox1,textbox2,textbox3, and a button.
After user entering the values in the respective textbox, he will click button. It cause postback, that time i need to show loading image, until the value is inserted into the database.
On the whole the user should not feel that the page is postback every time when he click the button, instead of it i need to show loading image.
I try to use gridview with hyperlink button. once I extract field and put it into gridview there's a field which is TIME(eg. 10:20:00 PM) causes the link not to show out. Is there any way to encode the URL base on the TIME field. Here is my code.
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I have a master page which includes a search textbox and a button which posts back to another page. The controls are defined as follows:
<asp:TextBox
ID="SearchTextBox"
runat="server"
style="margin-left:
0px"
Width="170px" />
<cc1:TextBoxWatermarkExtender
ID="SearchTextBox_TextBoxWatermarkExtender"
runat="server"
Enabled="True"
TargetControlID="SearchTextBox"
WatermarkCssClass="watermark"
WatermarkText="Search Name" />
<asp:Button
ID="SearchButton"
runat="server"
Text="Search"
PostBackUrl="~/SearchPage.aspx"/>
The problem is that for any other TextBox on the page which is using this MasterPage, for example the login page, if you type your user name and password and hit Enter, The page is redirected to the SearchPage. If you click on login buttton everything works fine. How do I make sure hitting enter on the page in any other text box does not post back to SearchPage.aspx?
I am using ASP.NET 2.0 with C#(No AJAX) in my project. In a particular web page, when the a button is clicked, some server intensive C# code runs before the same page is displayed again with the results. While code execution happens on the server in response to Button_Click event, a blank white page is shown to user on his browser in between post backs. How do i show a message in this case, that the processing is still going on and ask the user to wait? I have used javascript to show a message on page unload. But this message is also erased when the page is posted back to the server and the user sees a blank white page on his browser. How do i avoid this white page? Is there a way to show a message in the blank white page? How do i show a processing Message while the page is loading upon on Post Backs to the same Page.
View 1 RepliesHere's my GridView control:
[Code]....
And here's my FormView control:
[Code]....
The problem is, when I click on the GridView item, the formView control does not show the detail.
I have four textbox and a button in my page. After filling the textbox. When the user click save button. A loading image should be displayed. User should not feel that the page is postback to the server,Some thing like in facebook loading image.
View 5 RepliesI have a button like this:
<asp:Button ID="btnSave" runat="server" ClientIDMode="Static" Text="Save" OnClientClick="return ConfirmSave();" OnClick="btnSave_Click" />
If I write my client function like the following, it works as expected:
function ConfirmSave()
{
return confirm('Confirm?');
}
But I should check, inside the function, for the confirm result, like this:
function ConfirmSave()
{
if (Page_ClientValidate('validationGroup'))
{
var conf = confirm("Confirm?");
if (conf)
{
$('#btnSave').attr('disabled', 'disabled');
}
return conf;
}
else
return false;
}
Doing this, the page postback but the server click event doesn't fire.
<asp:DataList
id="dlstImagesDe"
DataSourceID="srcImagesDe"
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I have a page that the users get redirected to. On page load this page runs a bunch of code behind that and loads table. The processing could take a few seconds to minutes depending on how big a report is run. Is there any way to completely render the page before automaticly kicking off the code? I am trying to stay away from forcing the user to click on another button.
View 3 RepliesI have 3 drop downs in a details view (populated from a gridview) during insert mode.
Dropdown 1
Dropdown 2 --> Based on drop down one
Dropdown 3 --> Based on drop down two
I am curious of how to handle the autopostback to update 2 and 3 since they are part of the detailsview, there isn't a selected_index_changed event.
I am ok with adding items to them on page load, just not for cascading of them...
I have developed an asp.net application ... I have a textbox where user will enter is name ... I need to check if the name is already exist in the database table column when ever user enter their name with out post back . If user exist mean it should show a msg user already exist .....
View 6 RepliesI have two tables. 1st contain topic and its id. 2nd contain topic name,its category and category list.
I want to display using asp .net datalist and vb script like the following
topic 1
Category 1
categorylist 1 of category 1
categorylist 2 of category 1
Category 2
categorylist 1 of category 2
categorylist 2 of category 2
topic 2
Category 1
categorylist 1 of category 1
categorylist 2 of category 1
Category 2
categorylist 1 of category 2
categorylist 2 of category 2
Also, i have tried displaying only Category 1, 2 .. which are Link button. When I click these button it shows category list. So here I am facing aproblem that everytime i click these buttons it refreshes my page which is very annoying.
I need to process surveys. I have modelled them in SQLServer, just need to generate the forms to input it.I have nested SqlDataSource/DataLists. The outer gets the questions and the inner gets the various options as a plain HTML radio buttons. I can't use ASP.NET radio buttons because of a bug with them inside itemtemplates not mutually exclusive http://support.microsoft.com/default.aspx?scid=kb;en-us;316495Anyway, so now I need to know the which radio buttons were selected so I can insert the values in the database. What is the best way of doing it?
View 12 RepliesI am using asp.net/c# application. In my application, I have a gridview.<asp:GridView id ="gv_QuestionList" runat="server"> </asp:GridView>In Code Behind, I created dynamic textboxes and DropDownLists on RowDataBound.
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I have a Save button out side the gridview which stores all the row values into database. when I click the "Save" button, I lost dyanamically ceated controls like textbox,dropdown and values (on postback).How can i get all the dynamically created controls and values after the post back?
i am creating gridview with dynamic template, and the grid is disappear while postback. my code is below.
i am using GridViewTemplate class to generate Templates
Public Class GridViewTemplate
I have a text box inside a update panel. With the onTextChanged events, I have a post back set in "True" to show the customer Name and email when I type in the customer ID in the text box. I want to have it show when we leave or Tab out of the text box. Now is working , but only afte I click the submit button. Does anyone know how to code the following in order to make it work right away when we Tab out of the text box.
protected void txtBDID_TextChanged(object sender,
EventArgs e)
{
}