Forms Data Controls :: Edit Link In Gridview Control Does Not Do Anything?
Feb 19, 2010
I am trying to create a basic gridview which has the basic edit and delete capabilities on a webpage using the MVC framework.I have bound the gridview to a LINQ Data source and I can retrieve all my records with no problem. However, when I click on the EDIT link, nothing happens at all. I have assigned my DataKey and viewing all the videos and tutorials on creating a gridview, this was how it is to get a gridview working.Steps taking:1) Created LINQ datacontext2) Created Controller 3) Created Index view4) Drag-and-dropped Gridview control onto Index view and link it to LINQ.5) Enabled CRUD functions on LINQ Datasource and Enabled Editing on Gridview.Can someone please tell me what is wrong or missing? I have tried different ways of getting this to work for 3 days now and I am at my wits end.
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How do I change these hyperlinks to say something other then Edit and Cancel?
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May 18, 2010
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Sep 28, 2010
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May 1, 2010
I have a gridview with edit functionality and using the EditItemTemplate section. I am trying to set focus to a textbox when user selects the edit mode.
[Code].....
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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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Aug 10, 2010
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Nov 29, 2010
I have a DetailsView control with DefaultMode = ReadOnly in my page. When the page loads, it shows the edit link. I would like to programmatically hide the edit link when the user is an administrator on page load. By default, I have set ShowEditButton="True". How do i reference the edit link when it is automatically genereated from the CommandField.
Here is my code:
[Code]....
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Jul 19, 2010
I am getting error below when I click on edit link on my grid view.
Unable to cast object of type 'System.Web.UI.LiteralControl' to type 'System.Web.UI.WebControls.TextBox'
here is my aspx:
[Code]....
and here is my .cs:
[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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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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Apr 5, 2010
Can someone tell me if there is a technique to make an entire Column within an gridview (for example digits) editable (instaed of a single row) and update this column after changing values by press an Update-button?
A commercial solution is also o.k. with me, but, of course, a method to do it ourselve would be nice.
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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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Mar 16, 2011
I have a page with 2 GridViews on it. The top GridView shows all the Bike Riders the bottom GridView shows all the Bike Lockers. I have set up both GridViews to be able to Edit the data. And the top GridView to Select.
When I click the Select buton on the top GridView I programically reset the DataSource for the bottom GridView to show the Locker for the Biker of the top GridView Selected.
So far everything works great. I select a Biker on the Top GridView and the Bottom GridView resets just showing one record for the bike locker.
The problem is that if I then click on the Edit button on the bottom GridView (The Bike Locker GridView) the GridView goes into the Edit Mode but it now shows all the Bike Locker records and the edit record is always the top record of the GrdView.
Here is my code Behind:
[Code]....
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Nov 16, 2010
I'm customizing a NopCommerce store, and am using a gridview to display and sort the products. All that works well. I like how the external pager (user control) works with the gridview, with one exception -- it uses the hyperlink control, so I lost viewstate, which I need to retain for both the search page and to retain the gridview sort options. Based on the page selected (from the pager control), I query the database and rebind the gridview. So, I switched the user control to use LinkButtons instead of Hyperlinks. This is the sample code for one of the buttons:
[Code]....
I set a breakpoint inside the lbCommandClick method, but it never gets hit. Reading other posts tells me that I would have to add the dynamic controls in the OnLoad method, but since this all happens based on other data on the page (say search results), I don't think I can do it onLoad. However, the link buttons do work to cause a postback, and my viewstate is saved correctly. The only problem is that I do not know which button was clicked. I could check Request.Params["__EVENTTARGET"] onLoad, but that is kind of a hack -- I'd much rather be able to set the event handler in the user control and use the CommandArgument property. But, what I have tried so far fails.
Especially one that would allow me to set the EventHandler in the User Control? (e.g. OnlbCommand="PagerLBPageChange" )
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Nov 25, 2013
I have a GridView inside my Asp.Net page, that contains some data from my Sql DataBase.
so my question is how can I add a button in the GridView to update or delete rows from the GridView.
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Jun 22, 2010
I load some text from the database to display on the website. Search through the text and if the text contains links to pdfs documents etc I want to edit the link to point to the correct location.
I have already done it with images by editig the src andpoint the image to the correct location.
Regex regex = new Regex("src=(?:"|')?");
// replaces urls in <img> tag with corresponding unique ids
string body = regex.Replace(strMessage,"src=""+getVirtualImageRootRelative());
getVirtualImageRootRelative is a function I created which contains the address where the image is located.
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Aug 3, 2010
My Gridview is refreshing its datasource when the edit button is clicked. How can I prevent this from happening? This isn't much of a problem when there aren't a lot of records, but when there are many it takes awhile. The data is already loaded so the edit button shouldn't need to reload the data. The edit button is a template edit button, and I'm using an SQL Datasource that connects to an Oracle database. The SQL datasource uses a control parameter that points to a dropdownlist.
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Nov 27, 2013
I have a gridView that is populated with a dataset from an Oracle Database.
When I click on the EDIT button, it will redisplay my gridView with textboxes so I may make some changes.
Let's say one row is currently:
OPEN_TIME = 1 CLOSE_TIME = 2
When I click EDIT, 1 and 2 are in a textbox. If I change both values to 5 and click UPDATE, it will fire a RowUpdating..
Here is the code from my APP:
Private Sub gvBusinessHours_RowUpdating(sender As Object, e As System.Web.UI.WebControls.GridViewUpdateEventArgs) Handles gvBusinessHours.RowUpdating
Dim strOpenTime As String = DirectCast(gvBusinessHours.Rows(e.RowIndex).FindControl("txtOpenTime"), TextBox).Text
Dim strCloseTime As String = DirectCast(gvBusinessHours.Rows(e.RowIndex).FindControl("txtCloseTime"), TextBox).Text
End Sub
The problem is the values I am getting are the OLD ones and not the new ones... I am getting 1 and 2 and not 5 AND 5...
what I am doing wrong ?
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Jan 5, 2010
Consider the following scenario.You have a Edit action (GET and POST) for an entity that multiple pages link into (GET EDIT). What is the best way of getting back to the page that linked to the edit action? Adding a returnTo url in the query?
Example, from MyCart/3 we have a edit product link
/Product/Edit/5?returnTo=MyCart/3 (but url encoded)
And from Producer/45 we have this link
/Product/Edit/5?returnTo=Producer/45
Is there a better way to do this?
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Dec 10, 2010
I have a set of dataset with different column retrieved from DB. I need to present the datasets in one GridView (or other ListView etc...) without specifying the column_header. It should present automaticly since the GridView is bind to the DataSet.
In additional, I want this GridView to handle multiple rows edit and update the dataset, idealy, show data in textboxs in initially.How could I set the GridView to edit_model without hardcode column_header and textboxs in 'itemtemplate' or filed.
How could I achieve the bulk edit and update, so that I can assign 'mydataview1.table' to the dataset.
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Mar 30, 2011
i hav a datalist control with am image button and a label and i want have a button which shud redirect me to a detailed page of that product. which link button can be used in this. can it be done with button or hyperlink only needed? first page is : product.aspx on clicking datalist link VIEW MORe it shud go to detail.aspx?pid={0} how can i do this.
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