Forms Data Controls :: Textbox Width In Gridview's Edit Mode

Mar 3, 2010

Is it possible to set the width of the textbox in edit mode equal to the width of the column before entering edit mode? I basically want to go into edit mode without change the size of the grid and without just setting the textbox width property to a specific number.

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Forms Data Controls :: GridView Edit Mode - Set Autopostback On One Textbox

May 17, 2010

In my gridview, I have a column for Amount. I want to calculate the amount as soon as user changes the Amount and display calculated Amount in a textfield. What I have done is I have Amount as Templatefield and have set Autopostback = true. In the event handler for textChanged I have function for calculate Amount which will calculate the amount and set the calculated value in a textbox. But I am getting an error message:

[NullReferenceException: Object reference not set to an instance of an object.]
UpdateInvoice.calculateamt() +87
UpdateInvoice.txtAmt_TextChanged(Object sender, EventArgs e) +5
System.Web.UI.WebControls.TextBox.OnTextChanged(EventArgs e) +8739438
System.Web.UI.WebControls.TextBox.RaisePostDataChangedEvent() +55
System.Web.UI.WebControls.TextBox.System.Web.UI.IPostBackDataHandler.RaisePostDataChangedEvent() +10
System.Web.UI.Page.RaiseChangedEvents() +165

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Forms Data Controls :: Set The Textbox In Gridview Edit Mode To Multiline

Nov 17, 2010

I have a gridview that I would like to the set the textbox in edit mode to multi line in order to show more of the content of the cell. Does anyone know how to change this property, I have tried (I think) every single one I could find in the Gridview property settings for editstyle, item style, row style etc.

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Forms Data Controls :: Validate A GridView Textbox In Edit Mode?

Oct 17, 2010

I am working with VWD Express and Visual Basic. take this into consideration if you are willing to answer my question. I do have the following code for a GridView.

<asp:GridView
ID="OpenCloseUDTIGameThreadGridView"
runat="server"
AllowPaging="True"
AutoGenerateColumns="False"
DataKeyNames="AutoNumber"
DataSourceID="OpenCloseUDTIGameThreadSqlDataSource"
CellPadding="4"
ForeColor="#333333"
PageSize="100" >
<Columns>
<asp:TemplateField HeaderText="Picture">
<ItemTemplate>
<asp:ImageButton
ID="ThumbNailImageButton"
runat="server"
Width="75px"
PostBackUrl='<%# string.Concat("~/Classifieds/DetailPage.aspx?AutoNumber=",Convert.ToString(Eval("AutoNumber")),"&amp;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:CommandField ShowEditButton="True" />
<asp:BoundField DataField="TCategory" HeaderText="Category" ReadOnly="True" SortExpression="TCategory" />
<asp:BoundField DataField="TItemTitle" HeaderText="Item Title" SortExpression="TItemTitle" ReadOnly="True" />
<asp:BoundField DataField="TUDTIThreadActualStatus" HeaderText="Actual Status" SortExpression="TUDTIThreadActualStatus" />
</Columns>
</asp:GridView>

As you can see the second cell in each row is a EditButton, and the only cell that could be updated by users is the last one, DataField = TUDTIThreadActualStatus. I just want to know what could be the easiest way to validate the user entry when the row is in edit mode. Is there anyway to validate the textbox control with a validation control or is better to used code behind. Either way may you explain and drop some code if posible.

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Forms Data Controls :: Convert Gridview Textbox (when In Edit Mode) To Combobox?

Mar 13, 2011

Is it possible to convert gridview textbox(when in edit mode) to combobox without using EditItemTemplate or place control in EditItemTemplate?

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Forms Data Controls :: Gridview's Dropdownlist Control Become A Textbox In Edit Mode

Jun 17, 2010

This is my first post on this forum. I have a Gridview with the following Columns

1. Edit Column
2. User_ID (Read Only)
3. Email (Read Only)
4. Role ( A Dropdownlist with 2 list Items namely "Admin" & "QA Lead")

I have used wizard to populate a "Gridview" and the embedded "Dropdownlist" control in it. This is my reference: [URL] My Problem: The Data populates perfectly in Grid and Dropdownlist. But, when I Press "Edit" button the Dropdownlist goes into edit mode in the form of a "Texbox". (i dont want this) I still want it to be an editable dropdownlist.

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Forms Data Controls :: Access Textbox Text Properties When Gridview Edit Mode

Jun 16, 2010

Is it possible to access textbox text properties from codebehind when gridview is edit mode? for example I can access label's text properties on gridview row databound event.

[Code]....

So I do not like use Text='<%#Eval("ColumnName")%' this method. I want to manage textbox text properties dynamcily codebehind when click the edit button on gridview. When I clik the edit button these code blocks runs

[Code]....

but rowdatabound event fires again and couldn't find label control. It looks for textbox control to bind data but I can not manage this step.

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Forms Data Controls :: Gridview - Column Styling - Class To Define What Textbox Looks Like In Edit Mode

Jun 10, 2010

In the example below I have set the control style to 'controlName' I want to use this class to define what my textbox looks like in edit mode. This works ok, so far so good. The Problem In a button event I add the class "validationError" to this textbox if the data is incorrect. When the grid gets rendered I expect to get 'controlName validationError as the class applied to the textbox. Unfortunately, it seems that the declarative statement overrides this and simply ends up as 'controlName' how I can intercept the application of the declarative class so that I get what I desire here?

<asp:BoundField
DataField="Name"
HeaderStyle-CssClass="headerName"
ItemStyle-
CssClass="itemName"
ControlStyle-CssClass="controlName"
HeaderText="Name"
>
</asp:BoundField>

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Forms Data Controls :: Gridview Is Showing The Edit Mode After The Edit Is Done

Mar 30, 2010

I have a grid view with edit and save buttons when I click on edit it is letting me edit it and if I click on save it is lettingme save the data that I have edited.

The thing is after save is done it is showing the data in edit mode i.e <edit item template > mode I am still seeing the textboxes if I refresh the page then I am seeing it normally.

How can I stop the gridview to show edit mode after the save is done?

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Forms Data Controls :: How To Edit GridView All Rows In Edit Mode

Dec 4, 2010

- I want to put multiple rows of a gridview into edit mode

- I have not found any easy method to accomplish this task. I found a way to programmatically put a gridview into edit mode, but in testing the code below it works for only 1 row at a time :

[Code]....

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Forms Data Controls :: Change Edit And Cancel Link When In Edit Mode On Gridview?

Aug 18, 2010

How do I change these hyperlinks to say something other then Edit and Cancel?

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Forms Data Controls :: Update Textbox In Edit Mode - Detailsview VB?

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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Forms Data Controls :: Populate Textbox In FormView Control In Edit Mode With Querystring?

Sep 9, 2010

I am simply trying to get a querystring value and pass it to a textbox in a formview with the default view set to edit mode.

Protected Sub fv_Detach_Engine_DataBound(ByVal sender As Object, ByVal e As EventArgs) Handles fv_Detach_Engine.DataBound
If fv_Detach_Engine.CurrentMode = FormViewMode.Edit Then
Dim tbx_IDProfileAccount As TextBox = TryCast(fv_Detach_Engine.FindControl("tbx_IDProfileAccount"), TextBox)
If tbx_IDProfileAccount Is Nothing Then
tbx_IDProfileAccount.Text = Request.QueryString("IDProfileAccount")
End If
End If
End Sub

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Forms Data Controls :: How To Fill Unbound Textbox With Data When Going Into Edit Mode

Feb 2, 2010

I have some template columns that have multiple textboxes in them.

There is one textbox for the Date portion of a datetime field and another textbox for the Time portion of the datetime field.

How do I populate those textboxes after the user clicks on the "Edit" button?

My assumption was I could get the data from the label that was displaying the datetime field data, break it down into Date and Time, and then access the textboxes.text property to fill those.

I can get the data from the label control, but when trying to fill the two textboxes with the data, I get Object Reference Not Set... errors.

Im assuming maybe those textboxes are not setup yet during the RowEditing Event?

[Code]....

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Forms Data Controls :: GridView Row In Edit Mode?

Jul 19, 2010

How can I set a particular row into edit mode in code? Like when the Grid loads up I need the last row to be in Edit mode.

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Forms Data Controls :: Resize Parent Width On GridView Edit Event?

Feb 2, 2010

Has anyone found a solution to gridview edit views busting out of the side of the gridview's parent html element?

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Forms Data Controls :: Width Increases With Selecting Edit When Editing Gridview?

Mar 15, 2010

I have the following gridview, which fits ontop a screen without having to scroll. I added

AutoGenerateDeleteButton="True" AutoGenerateEditButton="True"

Now when I select "Edit" it increases the with of the gridview and makes scrollbars because the width increase. This is because it creates texboxes for each column for me to edit...but the width increases soo much..

<asp:GridView ID="GridRevenueCalculation" runat ="server"
AutoGenerateColumns="False" DataKeyNames="calc_flag"
OnRowCreated="GridView1_RowCreated" OnDataBound="GridView1_DataBound"
OnRowDataBound="GridRevenueCalculation_RowDataBound"

[Code]....

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Forms Data Controls :: GridView RowDataBound And Edit Mode?

Oct 21, 2010

I have a gridview and a template column:

<asp:TemplateField HeaderText="Active">
<EditItemTemplate>
<asp:CheckBox ID="chkbxActive" runat="server" Checked ='<%# Bind("Active") %>' />
</EditItemTemplate>
<ItemTemplate>
<asp:Label ID="lblActive" runat="server" Text='<%# Bind("Active") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>

The item "Active" is a bit from the database And for the RowDataBound:

Const HeavyCheckMark As Char = ChrW(&H2714)
For Each row As GridViewRow In gvProductCodes.Rows
If gvProductCodes.EditIndex = -1 Then
' Selects the text from the Label which is inside the GridView control
Dim lblActive As String = CType(row.FindControl("lblActive"), Label).Text
lblActive = lblActive.Replace("True", HeavyCheckMark)
lblActive = lblActive.Replace("False", "")
'Replaces the text in each Label control
CType(row.FindControl("lblActive"), Label).Text = lblActive
Else
Dim chkbx As CheckBox = CType(row.FindControl("chkbxActive"), CheckBox)
End If

The check mark works fine when not in edit mode. But when in edit mode, the row that is being edited works as expected. But the other rows now show True or False. I want them to have the const HeavyCheckMark in it instead.

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Forms Data Controls :: Keep Dynamic Gridview In Edit Mode?

Jun 9, 2010

I have a dynamically built gridview in which every row in editing mode has 2 dropDownLists, i set autoPostBack property of first list to true in order to change the other list values according to the first, but upon postBack, the gridview is not in edit mode any more.

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Forms Data Controls :: Programmatically Put The Gridview In Edit Mode?

Feb 2, 2010

I have a webform with two gridviews; a textbox for the invoice number, and a button to kick everything into action. I programmatically handle the select statements in the VB.Net file because I need to iterate through the second gridview's table to perform calculations and then put those results into the first gridview's table. Then I bind them. It works just fine.

The first gridview has one row with the payment information. The second gridview has multiple rows with the items that the payment is handling.Now I need to handle the edit, update and cancel functionality. I tried using a sqlDataSource for edit, update and cancel because it is simple, but it requires a Select statement so I guess that idea is not going to happen. I put a commandField with showeditfield=true, but clicking edit gives an error that rowEdit isn't handled. I have put that sub gvInvoice_RowEditing in there, but being new at this I have no idea what to put into that sub.

I can programmatically create all that functionality in the code behind. Won't it be quicker and easier if I write sub's for Edit, Update and Cancel that tell the gridview what to do - trick it to automatically handle all that? Is there an example available demonstrating how to tell the gridview to go into edit mode and proceed as if it was using a sqlDataSource?As a final note: perhaps it would be simpler if I create a third gridview to handle the job of totaling all the cash and listing each check seperately.Here is my code. It probably isn't the most elegant approach, but it works.

[Code]....

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Forms Data Controls :: Focus Row Of GridView In Edit Mode?

Feb 2, 2010

I have a gridview placed on the Panel(Scrollbars set to Both).

If I click on Edit button of the gridview for example Row number 100 then the focus of the page goes to the top of page and I always scroll down to the particular record to make changes.

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Forms Data Controls :: Can't Retrieve Value From Gridview Row In Edit Mode

Oct 13, 2010

I have a grid view. When I click edit, the OnRowCommand fires and the row goes into edit state. Label becomes a TextBox. I then attempt to alter this value in some way and click update. This again fires the OnRowCommand event. The problem is, when I attempt to capture the new value, it instead just shows the original value.In my grid view I have:

<asp:TemplateField
HeaderText="Start Name">
<ItemTemplate>
<asp:Label
ID="lblStartName"
runat="server"
Text='<%#Bind("StartName")%>'></asp:Label>
</ItemTemplate>
<EditItemTemplate>
<asp:TextBox
ID="txtStartName"
runat="server"
Text='<%#Bind("StartName") %>'></asp:TextBox>
</EditItemTemplate>
</asp:TemplateField>

In my code behinde i have

TextBox
textBox = (TextBox)row.Cells[4].FindControl("txtStartName");

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Forms Data Controls :: GridView Edit Mode Not Working?

Feb 9, 2011

For the life of me I can't figure out why I can't put my gridview in edit mode. I am using an ObjectDataSource, maybe that has something to do with it. The problem is that the gridview won't go into edit mode when the edit is pushed. Here is some of my code:

ObjectDataSource:

[Code]....

GridView:

[Code]....

I will troubleshoot my Match class methods after I get the gridview edit mode working.

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Forms Data Controls :: Updating A Gridview Value Without Going Into Edit Mode?

Jun 29, 2010

Is there a way to update a value in a gridview, by pressing a button that shows within the cell? For example, i have a really simple gridview showing supply levels, I havr the following SQL table:

ID = Int
PartNumber = varchar
Quantity = Int

I would like to be able to press a "Plus" or "Minus" button on the gridview next to the Quantity (in stock) value which updates the database and re binds the data to the gridview, but without going into edit mode.

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Forms Data Controls :: Gridview Editing Goes Into Edit Mode Again?

Nov 12, 2010

I have a gridview with a edit button for each row. Selecting an edit button changes the row to Edit mode. When in Edit mode, the row ID's are not being captured correctly. Any row I select defaults to one of the first 2 rows I had selected earlier.If I first select Row 1, it puts that in edit mode. When I "Cancel" out of it, row 2 goes into Edit mode. Now, when I select row 3, row 1 goes into edit mode again. From this point, any row I select puts either row 1 or 2 into select mode.

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