Forms Data Controls :: (event Handler) To Clear Everything Behind DetailsView In Insert Mode
Jun 16, 2010
A DetailsView in Insert mode has all fields cleared after events such as the following:
1. Clicking New.
2. Clicking Cancel.
3. Clicking Insert (if the default mode is Insert).
I have some fields linked to ViewState and they are populatd at PreRender event handler. I am wondring if there is a single place where all relevant ViewState elements can be cleared instead of doing this in all possible relevant handlers such as ItemCreated, ItemCanceled, ItemInserted, etc.
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Similar Messages:
Aug 25, 2010
i have a detailsview in insert mode and that is bound to objectdatasource. now the class that is attached to objectdatasource is :
[Code]....
here ResturantId value has to be in session or from Dropdownlist and rest of the value from Detailview. So how to assign that value?
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Nov 17, 2010
How do I set the value of a field in a detailsview to the selectedvalue of a gridview on the same page? I am also trying to set today date as value of another field in the detailsview as well as UserID. I wrote the following codebehind for the date setting:
TextBox tb = (TextBox)DetailsView2.FindControl("TextBoxCreDate");
tb.Text=System.DateTime.Now.ToShortDateString();
TextBoxCreDate is a template field in my DetailsView.
Unfortunately, I get a Object reference not set to an instance of an object. Error message.
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Jan 19, 2011
I guess I'm not sure exactly how or where to do what I need.
First off - here's what I need - - when the user clicks on the NEW button in the detailsView, I have the User.Identity.name captured in a variable and I need to set one of the textboxes (InsertItemTemplate) named 'txtNew' to that name.
I've tried using the ModeChanging (and ModeChanged) event:
Dim
dv As
TextBox =
CType(DetailsView1.FindControl("txtNew"),
TextBox)
If (e.NewMode =
DetailsViewMode.Insert)
Then ....
However, no matter what, 'dv' always shows as 'Nothing', so I can't change the text of it.
Where do I put the logic and what am I missing?
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Jan 12, 2010
I have a gridview and detailsview that are connected. When I delete records everything works fine except when I delete the last record in the gridview. I want the detailsview to revert to insert mode when I delete the last row in the gridview. Instead the detailsview shows up blank. I want to show the detailsview in insert mode after last row in grid has been deleted? How can do I this?
[Code]....
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Jan 17, 2010
I have some ImageField in my DetailsView and when I changed it to Insert mode then ImageField is also became the textbox that allow you to type something, and my question is how I can make ImageField to be read only when I changed DetailsView to Insert mode?
<asp:DetailsView ID="dvNew" runat="server" AutoGenerateRows="False"
AllowPaging="true" DataKeyNames="ID"
DataSourceID="DataSourceNew" Width="600px" Font-Bold="False" AutoGenerateInsertButton="True" >
<Fields>
<asp:BoundField DataField ="name" SortExpression ="name" HeaderStyle-ForeColor="Black" > </asp:BoundField>
<asp:ImageField DataImageUrlField="Image1Path" NullDisplayText="No Image"
ReadOnly="True" ItemStyle-Height="250" ItemStyle-HorizontalAlign="Center"
ItemStyle-VerticalAlign="Middle" ItemStyle-Width="250" >
</asp:ImageField>
In my code file
protected void Page_Load(object sender, EventArgs e)
{
DataSourceNew.Selected += new SqlDataSourceStatusEventHandler(DataSourceNew_Selected);
}
protected void DataSourceNew_Selected(object sender, SqlDataSourceStatusEventArgs e)
{
if (e.AffectedRows == 0)
{
dvNew.ChangeMode(DetailsViewMode.Insert);
}
}
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Aug 30, 2010
On my DetailsView for inserting, I have a field "manager code". When the user types in the code, I want another field "manager name" to be populated based on a lookup table in the database. I have done this on a FormView using code behind and "ontextchanged". How can I do this in DetailsView?
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Feb 17, 2011
I have a detailsview control, which I use to enter data and save to the database. I am using object datasource to connect to the db. The detailsview control has autogenerateinsert = "true". When the insert is successfull, I want to set some variables and and to redirect the page to a different one. I don't know how to access the insert button click event of the detailsview to do it. If there is different solution like using <insertItemTemplate> and using custom linkbuttons.
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Feb 17, 2011
I have a detailsview control which I use to enter data and save to the database. The control is connected to the db through a objectdatasource. When the insert is successful, I want to set some variables and redirect the page to a different one. The detailsview control has AutoGenerateInsertButton="True". I don't know how to access the insert button click event in the code behind,
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Mar 2, 2011
I have a combobox that is used as a control for Formview, so when the user selects a name from the combobox the data in formview displays in edit mode. However, some if the data that is displayed in formview needs to be empty. For example if the Date is being pulled in, it needs to be empty or null in edit mode.
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Jan 21, 2011
I use GridView & FormView to update a record. but when I click the "save" button, throw an except : FormView must be in the insert mode to insert a record. The record has been updated success, and I didn't change the mode of the FormView, how this error comes?
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Feb 26, 2010
I have a DetailsView with several fields. On the same page, I have both LinkButton that enables to go in edit or insert mode for the DetailsView.
When I click on a button, linked code-behind is doing the following :
switch (buttonCmd.ID)
{
case "cmdEdit":
DetailsView1.ChangeMode(DetailsViewMode.Edit);
break;
case "cmdInsert":
DetailsView1.ChangeMode(DetailsViewMode.Insert);
break;
This kind is working fine in another page from the site website but not on this one... Probably a bad copy-paste
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Jan 27, 2010
In my detailsview, I have an emptydatatemplate set up to allow users to enter new records. The code works. However, once the record is inserted, the detailsview defaults to a standard insert screen. I know this will cause confusion for the users. I would prefer the detailsview to either show in edit mode or a read-only mode. I have used detailsview.changemode and detailsview.currentmode in the custom sub created for the add new button of the emptydatatemplate- neither of which do what I was hoping. It would be even better if when there was no data, it defaulted to the insert screen (which seems like that should be an easy, no-brainer way for .net to function) but it doesn't. Or, I don't know how to accomplish it.
I don't want to force the user to click cancel after inserting an item through the emptydatatemplate just to be able to use the detailsview for other records.
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May 7, 2010
I have a problem with DetailsView linked with Database, DetailsView is Insert/Edit enabled, and adding/ediditng data works, however........ when I add a new record (DetailsView in Insert mode) and press INSET instead going to record I have just created in Read-Only Mode it shows me blank form, it looks that the "linking" field is null.
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Jul 18, 2010
For ASP.NET, I'm using a DetailsView for insert and edit of a record. For edit mode I don't want to display the primary key field because it should not be changed. For insert mode, I want to display the primary key field because it doesn't exist and the user can specify it via a DropDownList that insures they will pick an unique value. A TemplateField is used in the DetailsView markup for the primary key field (hence the DropDownList for insert mode).
My problem is that I cannot get the primary key field to not display for edit mode and to display for insert mode. In the markup I have:
<asp:TemplateField HeaderText="name" InsertVisible="True" Visible="True">
<InsertItemTemplate>
<asp:DropDownList ID="ddl2NonMembers" runat="server"
Width="155px"
Sourceless="sqlNonMembers"
DataTextField="name"
DataValueField="id_adm"
SelectedValue='<%# Bind("member_grp") %>'>
</asp:DropDownList>
</InsertItemTemplate>
</asp:TemplateField>
With the TemplateField Visible="True", the HeaderText="name" always displays which I don't want for edit mode. With the TemplateField Visible="False", the field never displays which I don't want for insert mode.How can I achieve the display behavior I want for insert verses edit mode. I'm fine with changing some property programmatically rather than relying an a pure markup approach,
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Nov 13, 2010
I want to Insert Sql Script in the database using Callback Event Handler.
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Apr 16, 2010
I am trying to "reset" the DetailsView in View1 to ReadOnly mode if the user changes the index in RadioButtonList. Currently, it is working correctly for the first pass and second pass, but fails at the third pass. I want it to just cycle through the DetailsVIewdatabound event, but the cycle breaks on the third pass and I'm not sure why?
[code]...
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Jan 13, 2010
I'm trying change mode in DetailsView but my program haven't running.
My code:
protected
void DetailsView1_ItemInserting(object sender,
DetailsViewInsertEventArgs e)
{
if(....)
{.........
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Mar 28, 2010
I am trying to handle the detailsview programmatically but I don't know what I am doing wrong. My details view control isn't going into edit mode. My code for my gridview's select button properly loads the data into the detailsview but once the detailsview renders clicking on "Edit" doesn't switch the detailsview contol into edit mode.
This code draws the information from my database and loads the information into the dataview:
[Code]....
This code is in my dvTeamDetails_ItemCommand sub and the beep works:
[Code]....
This code handles my mode changing event:
[Code]....
Here is some of the HTML code:
[Code]....
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Sep 29, 2010
I got an event handler like this, in this event, i wanted to call another button click event. How can I do that?
[Code]....
if (ds.Tables[0].Rows.Count == 0)
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Oct 18, 2010
How do I clear my formview after a record has been inserted or deleted? At the moment it just sits in the previous state with the same details in the fields, still with the Insert button. Either it would be good to drop the formview altogether (I have a grid view on the same page) or move into the edit mode for the just inserted record.
Also the same with the delete - the formview stays on screen with the deleted record details and the delete button still available - I know it has fired though as my gridview is updated.
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Feb 3, 2011
I currently have a page that is used to insert or update records in a DetailsView using an EntityDataSource control. Insert is working perfectly. However, Updating is not. I have the default view set to insert. In PageLoad, I have:
[Code]....
However, the DetailsView always defaults to the first record in the table rather than the record with ID that is equal to the ID querystring parameter. I am not sure how to make it select the correct record. From spending a while researching, it looks like I might need to use a QueryExtender control on the Entity DataSource, but haven't been able to figure out how to configure the QueryExtender correctly.
There is also perhaps some sort of datasource="stuff", databind() that I could toss in there but again.. not really sure how to proceed.
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Jul 24, 2010
I have a SQL DB with just 2 fields, ID and TEXT.What i was trying to do, was placing a Detailsview in EDIT MODE, then selecting from the DB like SELEC TOP 1 Text FROM DB.Then i placed a Ajax HTML Editor in the template field.How can i, keep the HTML Editor on the page, and use it for INSERT and/OR EDITING ?e.g.: on the first time the user opens the site management page, it will be blank, so it will show the HTML with no text on it. but the bottom button will be UPDATE and CANCEL. So when he enters the TEXT he clicks on UPDATE.
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Aug 6, 2010
I am trying to update a textbox with the current days date when a checkbox field is checked during Edit of detailsview
The current script I have is which gives me a : Object reference not set to an instance of an object on line 3
[Code]....
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Apr 8, 2010
I have one GridView called GV_IssTypeDesc and one DetailsView called DV_IssueLog.
The scenario is that i only want GV_IssTypeDesc gridview to appear when DetailsView DV_IssueLog is in edit mode. How do i accomplish this?
I refered to: [URL]
For now i have done the following:
UpdateIssue.aspx
<asp:DetailsView ID="DV_IssueLog" runat="server" Height="50px" Width="400px"
AutoGenerateRows="False" DataKeyNames="dbIssID" OnModeChanging="DV_IssueLog_ModeChanging"
DataSourceID="SqlDS_IssueLog" BackColor="White" BorderColor="#E7E7FF"
BorderStyle="None" BorderWidth="1px" CellPadding="3" GridLines="Horizontal">
<asp:GridView ID="GV_IssTypeDesc" runat="server" AutoGenerateColumns="False"
CellPadding="4" DataSourceID="SqlDS_IssTypeDesc" ForeColor="#333333"
GridLines="None" Visible="false">
UpdateIssue.aspx.vb
Protected Sub DV_IssueLog_ModeChanging(ByVal sender As Object, ByVal e As System.EventArgs)
If e.NewMode = DetailsViewMode.Edit Then
GV_IssTypeDesc.Visible = True
Else
GV_IssTypeDesc.Visible = False
End If
End Sub
The "e.NewMode" is underlined blue in color and it is stated "NewMode is not a member of System.EvntArgs".
How do i solve this problem?
By the way, I am using Web Developer 2008, VB.net.
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