Web Forms :: How To Get Dropdown Selected Values At Edit Mode In GridView
Dec 17, 2011
I have a gridview with footer template which has dropdownlists.. I am populating these dropdownlists at row_created event of gridview..
When i want to update any record and when user clicks edit in the gridview i must get the dropdownlists and the values which were already selected previously for that particular item .. How to do this?
In the row data bound event i get all the dropdownlists populated but they are not the one which was selected. How to display values in dropdownlist which was already selected earlier?
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Similar Messages:
Jan 10, 2011
I have a Members table with the following fields: LastName, FirstName, Address, CityID, ProvinceID, PostalCode.
I have added another field for the MemberTitleID.
During the Gridview Edit mode, I am trying to enable setting the MemberTitle using a drop-down list as shown below:
[Code]....
When I added the new field MemberTitleID in the Members Table, all of them were left un-initialized.
Here is the error I get when I click the edit button on the grid view :
[Code]....
[Code]....
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Jun 16, 2010
I have a dropdown list in the edittemplate of a gridview and now it selects the first value that comes from the datasource. How can I get it to select it's original value? Where do I put the code?
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Aug 11, 2010
I'm trying to follow this article on cascading dropdown list in a GridView control in edit mode (except I'm using C#) [URL] I keep getting this error message "ProjectID is neither a DataColumn nor a DataRelation for table DefaultView."
protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
{
if ((e.Row.RowState & DataControlRowState.Edit) == DataControlRowState.Edit)
{
DataRowView dv = (DataRowView)e.Row.DataItem;
//// Preselect correct value in Projects list
DropDownList listProjects = (DropDownList)e.Row.FindControl("DropDownList1");
listProjects.SelectedValue = dv["ProjectID"].ToString(); // *****************this is where I get the error *********
// Databind list of categories in dependent drop-down list
DropDownList listCategories = (DropDownList)e.Row.FindControl("DropDownList2");
SqlDataSource dsc = (SqlDataSource)e.Row.FindControl("sdsDDL2");
dsc.SelectParameters["ProjectName"].DefaultValue = dv["ProjectName"].ToString();
listCategories.DataBind();
listCategories.SelectedValue =(dv["CategoryID"].ToString());
}
<asp:SqlDataSource ID="SqlDataSource1" runat="server"
ConnectionString="<%$ ConnectionStrings:ttuser %>" SelectCommand="SELECT
TE.TimeEntryID,
P.ProjectName,
CAT.CategoryName,
TE.TimeEntryDescription,
TE.TimeEntryDuration,
TE.TimeEntryDate
FROM dbo.aspnet_starterkits_TimeEntry TE inner join
dbo.aspnet_starterkits_ProjectCategories CAT on
TE.CategoryID=CAT.CategoryID inner join
dbo.aspnet_starterkits_Projects P on
CAT.ProjectID=P.ProjectID
Where TimeEntryUserID=(SELECT UserId FROM dbo.aspnet_Users WHERE
UserName=@UserName) AND
TE.TimeEntryDate=@WeekEnding
" OldValuesParameterFormatString="original_{0}" UpdateCommand="UPDATE dbo.aspnet_starterkits_TimeEntry
SET
TimeEntryDescription=@TimeEntryDescription,
TimeEntryDuration=@TimeEntryDuration,
TimeEntryDate=@TimeEntryDate
WHERE
TimeEntryID=@original_TimeEntryID">
<SelectParameters>
<asp:ControlParameter ControlID="UserList" Name="UserName"
PropertyName="SelectedValue" />
<asp:ControlParameter ControlID="WeekEnding2" Name="WeekEnding"
PropertyName="Text" />
</SelectParameters>
<UpdateParameters>
<asp:Parameter Name="TimeEntryDescription" />
<asp:Parameter Name="TimeEntryDuration" />
<asp:Parameter Name="TimeEntryDate" />
<asp:Parameter Name="original_TimeEntryID" />
</UpdateParameters>
</asp:SqlDataSource>
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False"
DataSourceID="SqlDataSource1" BorderWidth="0px"
BorderStyle="None" Width="100%" CellPadding="2" PageSize="25"
DataKeyNames="TimeEntryID" onrowdatabound="GridView1_RowDataBound"
onrowupdating="GridView1_RowUpdating" >
<Columns>
<%--<asp:CommandField ShowEditButton="True" />--%>
<asp:BoundField DataField="TimeEntryID" HeaderText="ID"
SortExpression="TimeEntryID" InsertVisible="False" ReadOnly="True"
ItemStyle-HorizontalAlign="Center" >
<ItemStyle HorizontalAlign="Center"></ItemStyle>
</asp:BoundField>
<asp:TemplateField HeaderText="Project" SortExpression="ProjectName">
<EditItemTemplate>
<asp:DropDownList
ID="DropDownList1"
runat="server"
DataSourceID="sdsDdlProjectsEdit"
DataTextField="ProjectName"
DataValueField="ProjectID"
AutoPostBack="True"
onselectedindexchanged="DropDownList1_SelectedIndexChanged">
</asp:DropDownList>
<asp:SqlDataSource
ID="sdsDdlProjectsEdit"
runat="server"
ConnectionString="<%$ ConnectionStrings:ttuser %>"
SelectCommand="SELECT ProjectID,ProjectName FROM dbo.aspnet_starterkits_Projects">
</asp:SqlDataSource>
</EditItemTemplate>
<ItemTemplate>
<asp:Label ID="Label2" runat="server" Text='<%# Bind("ProjectName") %>'></asp:Label>
</ItemTemplate>
<ItemStyle HorizontalAlign="Center" />
</asp:TemplateField>
<asp:TemplateField HeaderText="Category" SortExpression="CategoryName">
<EditItemTemplate>
<asp:DropDownList
ID="DropDownList2"
runat="server"
DataSourceID="sdsDDL2"
DataTextField="CategoryName"
DataValueField="CategoryID">
</asp:DropDownList>
<asp:SqlDataSource
ID="sdsDDL2"
runat="server"
ConnectionString="<%$ ConnectionStrings:ttuser %>"
SelectCommand="SELECT CategoryID,CategoryName FROM dbo.aspnet_starterkits_ProjectCategories WHERE ProjectID=@ProjectID">
<SelectParameters>
<asp:Parameter Name="ProjectID" />
</SelectParameters>
</asp:SqlDataSource>
</EditItemTemplate>
<ItemTemplate>
<asp:Label ID="Label1" runat="server" Text='<%# Bind("CategoryName") %>'></asp:Label>
</ItemTemplate>
<ItemStyle HorizontalAlign="Center" />
</asp:TemplateField>
<asp:BoundField DataField="TimeEntryDescription" HeaderText="Description"
SortExpression="TimeEntryDescription" ItemStyle-HorizontalAlign="Center" >
<ItemStyle HorizontalAlign="Center"></ItemStyle>
</asp:BoundField>
<asp:BoundField DataField="TimeEntryDuration" HeaderText="Hours"
SortExpression="TimeEntryDuration" ItemStyle-HorizontalAlign="Center" >
<ItemStyle HorizontalAlign="Center"></ItemStyle>
</asp:BoundField>
<asp:BoundField ApplyFormatInEditMode="True" DataField="TimeEntryDate"
DataFormatString="{0:d}" HeaderText="Week Ending"
SortExpression="TimeEntryDate" ItemStyle-HorizontalAlign="Center" >
<ItemStyle HorizontalAlign="Center"></ItemStyle>
</asp:BoundField>
<asp:CommandField ShowEditButton="True" HeaderText="Edit" ButtonType="Image" EditImageUrl="images/icon-edit.gif"
UpdateImageUrl="images/icon-save.gif" CancelImageUrl="images/icon-cancel.gif" />
</Columns>
</asp:GridView>
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Feb 2, 2010
I have a problem where I have 4 dropdown lists which are populated from 1 drop down list depending on its value. The problem I have is that when the form is in edit mode the value for dropdown 1 is visible but when I click on dropdown 2 (or others) they appear to be unfiltered. However if I change the value in dropdown list 1 it will then filter dropdown 2 correctly. Am I missing something perhaps in the form load event. My code is currently in dropdown 1's selectedindexchanged and formview_databound if formview is in edit mode. Autopostback is true for all dropdown lists.
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Jan 28, 2010
I created a sample gridview. However, when I clicked edit mode in one of selected row, it will run away. I need to use the mouse scroll up and down to find that row. As well, once finished the edit (clicked update button), it will run away again. I also need to find the editted row by using the mouse. How do I fix the position?
Furthermore, I also want to fix the header. If I scroll down, the header row will be on the top where ever I scroll to.
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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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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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Aug 18, 2010
How do I change these hyperlinks to say something other then Edit and Cancel?
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Jan 27, 2010
I have a listbox in the formview. The listbox has selectionmode = multiple. The previous programmer has setup such a way when a user selects multiple items in the listbox, the data are stored with comma delimiter. For example, Listbox have values A, B, C, D, E. If user selected A, C, E and the data are stored in a field as A,B,C. Now the business requirement has changed and the user should be able to edit the data they entered. I want to able to show user which data they selected when they inserted data i.e. In the edit mode, the listbox should have A,C,E as highlighted. How can I do that? I can not use Eval("fieldname") because the listbox can not find the data "A,C,E" in the available listitems.
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Apr 12, 2010
i have a DetailsView that is populated by a Linq to Entities query. Example query is below.
Dim leaveApp = From L In db.CompassionateLeaveApplications _
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Mar 15, 2010
In web config file I have add key values specified.
In the formview I have labels on edit , item and insert mode that I want to display all the time by getting those values from web config. I'm able to do that with no problem but when I change the modes between edit to insert or item view, I lose those label values until I hit the "select" twice from the Gridview, those values re-appear. Below is the snippet of the code. What do I need to do to retain the category values all the time?
[Code]....
[Code]....
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Sep 22, 2010
Values in multiselect dropdown not getting selected when Select All option is selected for a SSRS dropdown. There are multiple dropdowns on the page. We have one dropdown whose output is being used to populate the second dropdown using a stored procedure. When we check the Select All checkbox on the dropdown then ideally upon page refresh all the values should get selected in the dropdown, but in this case the page refreshes back to the blank dropdown, forcing the user to select the values again. The next dropdown too does not get populated. This makes it impossible to run the report for all the cases by using Select All. We ran the report on differnet database environments. My current location is Mumbai,India, the report worked fine when we ran it on a Bangalore,india database. This issue occurs when we try running it on a Chicago database server. I am using SSRS 2005, SQL2005.
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Jan 25, 2011
I have created a dynamic dropdownlist. I need to get the selected values from the dynamic list and store it my sql database.
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Nov 29, 2010
I am using a gridview to display data and want to implement Edit, Update and Cancel in the GridView. Edit and Cancel are working fine but on update the Gridview isn't exiting out of the edit mode. I am using the gridview inside an UpdatePanel.
[Code]....
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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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Jun 12, 2010
I Have the gridview control with 2 dropdown list and 2 text boxes,When the textbox chnaged event happen 1 row will create and the dropdown back to initial values( its not retaining the selected values),I am binding the control after text changed method,Is there any properties needs to be set or any other way we can retain the values in postbacks?
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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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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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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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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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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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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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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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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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