Forms Data Controls :: How To Delete A Row Only From Gridview Not The Database
Oct 27, 2010how to delete a row only from gridview not the database?
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<script type="text/javascript">
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[Code]....
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Id Request Id File Name
1 12 Abc.jpg
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Forms Data Controls :: Delete Confirmation Box In Gridview With Edit And Delete Buttons?
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protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
{
if (e.Row.RowType != DataControlRowType.DataRow) return;
int lastCellIndex = e.Row.Cells.Count - 1;
Button db = (Button)e.Row.Cells[lastCellIndex].Controls[0];
db.OnClientClick = "if (!window.confirm('Are you sure you want to delete this record?')) return false;";
}
But, when I have both the Edit and the Delete buttons, I get the following error when I click the edit button while the delete button works fine.
Specified argument was out of the range of valid values. Parameter name: index
How do I reference the delete button so the edit button is not affected in this case?
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<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" DataKeyNames="photoID"
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Apr 6, 2010I am using Sharepoint Designer and trying to insert a Delete button into a gridview. I added this to the top of my ASPX:
<%@ Register Tagprefix="SharePoint" Namespace="Microsoft.SharePoint.WebControls"
Assembly="Microsoft.SharePoint, Version=11.0.0.0, Culture=neutral,
PublicKeyToken=71e9bce111e9429c" %>
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<SharePoint:DeleteItemButton
runat="server"
ID="CustomFormDeleteItemButton"
ControlMode="Edit"
/>
and this is the error I get:
An error occurred during the processing of . System.Web.UI.WebControls.DataControlFieldCollection must have items of type 'System.Web.UI.WebControls.DataControlField'. 'SharePoint:DeleteItemButton' is of type 'Microsoft.SharePoint.WebControls.DeleteItemButton'.
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Feb 19, 2011I am using a mysql database and i can't get the following code to work. I am using the exact same code (minus the column names) with a mssql database and it works comepletely fine.asp.net page
[Code]....
code behind:
[Code]....
I am not sure if I need to change something for it to work with mysql or not but its not working. It doesn't seem like its hitting the ibDelete_OnCommand, it just refreshes the page and the buttons are gone.
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View 2 RepliesForms Data Controls :: How To Delete A Row From A Gridview
Oct 7, 2010A very simple question.
I am trying to delete a row from a Gridview but getting error in my Gridview1_Rowdeleting method on the line Gridview1.DataKeys(e.RowIndex).Value;
Error: Method, delegate or event is expected. Here is my Gridview
<asp:GridView ID="GridView1" runat="server" OnRowDeleting="Gridview1_Rowdeleting" DataKeyNames="RecAdvId">
<asp:buttonfield headertext="Delete" commandname="delete" datatextfield="MessageId" />
<asp:BoundField DataField="RecAdvId" HeaderText="RecAdvId" Visible="false" SortExpression="PanelId"
HeaderStyle-HorizontalAlign="Left">
</asp:BoundField>
<asp:BoundField DataField="Advert" HeaderText="Advert" HeaderStyle-HorizontalAlign="Left">
<HeaderStyle HorizontalAlign="Left" />
</asp:BoundField>
</asp:GridView>
Here is my code behind method which gives error:
protected void Gridview1_Rowdeleting(object sender, GridViewDeleteEventArgs e)
{
int x = _Gridview1.DataKeys(e.RowIndex).Value; //Error: Method, delegate or event is expected.
}
Forms Data Controls :: How To Delete A Row In A Gridview
Nov 2, 2010Try to delete a row in a gridview and get this error:
Parameter '@ID' must be defined.
Have tested the sql command in the query builder. I use Mysql and c#.
Here are the code:
<asp:GridView ID="GridView1" AutoGenerateEditButton="true"
AutoGenerateDeleteButton="true" runat="server" DataSourceID="MySqlDataSource1"
Width="350px">
</asp:GridView>
<asp:SqlDataSource ID="MySqlDataSource1"
ConnectionString="<%$ ConnectionStrings:processdbConnectionString %>"
ProviderName="<%$ ConnectionStrings:processdbConnectionString.ProviderName %>"
SelectCommand="SELECT * FROM computers"
UpdateCommand="UPDATE computers SET Priority=@Priority WHERE ID=@id"
DeleteCommand="DELETE computers WHERE ID=@ID"
runat="server">
Forms Data Controls :: How To Delete Row From Gridview
Dec 10, 2010I have an empty gridview with imagebutton,fileupload control,upload and delete buttons. I have uploaded one image to imagebutton through upload button. How to delete that row from the gridview.
I am using this code to delete a row
protected void grdImages_RowCommand(object sender, GridViewCommandEventArgs e)
{
if (e.CommandName == "Delete")
{
int deleteRowIndex = int.Parse(e.CommandArgument.ToString()); // Here i am getting the rowindex
if (grdrow.RowIndex == deleteRowIndex)
{
grdImages.DeleteRow(deleteRowIndex);
grdImages.DataBind();
}
}
}
Its not deleting the row. What could be the problem??
Forms Data Controls :: Gridview Delete One Row Only?
Mar 28, 2011I have a gridview control on my page that lists records and sorts them according to the most recent to the oldest record. The most recent record is first record at index 0, and I want the users to be able to only delete the first record in Gridview. Is this at all possible? I'd like there to be the word 'Delete' next to the first record only.
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Sep 23, 2010I have a gridview on my page which is bound to an objectdatasource that gets Data from an Images Table in my database.The delete button is enabled and I have this code in my DAL.ELETE FROM [Images] WHERE (([ImageId] = @ImageId))Instead of deleting just 1 image, I want to give a user the option to delete multiple images at once.
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Aug 19, 2010iam insert data through gridview using datable, and i have 2button , insert and delete button , i wants to delete a row from the gridview using delete button below the code i constructed for insert, how to delete the row.
protected void Button2_Click(object sender, EventArgs e)
{
//delete button
} [code].....
Forms Data Controls :: Gridview Delete Method?
Jul 7, 2010When you push Gridview delete button, I want to alarm "do you want to delete register" . I searched in the internet and I wrote the code like that.
<asp:TemplateField>
<ItemTemplate>
<asp:LinkButton ID="lnkbtndelete"
CommandName="Delete" runat="server">
[code]...
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Nov 1, 2010I added a Gridview to my page and added a new item a delete button, now when i push that button there is an error... Do I need to add some code for it? And yes, can you give an example?
View 3 RepliesForms Data Controls :: Delete Row From Gridview Control?
Feb 26, 2011I have a gridview control in a webform which is shown below:
[Code]....
The desire is to remove a row both from the gridview and from the backend SQL Database table. So far I have written the following code:
[Code]....
The comments shown in the else clause of the if-else indicate the code that
Forms Data Controls :: When Gridview DELETE Bombs?
Dec 7, 2010I have several "standard" GridViews in the "admin" side of a web site I am developing. In the past, none of these have ever shown any problems with a standard Delete.
To review: Each of the subject tables has a "RowID" field specified as Identity and as the Primary Key.The BoundField for the Rowid is set to ReadOnly. There is "Edit, Delete, Select" specified for the CommondField. Edit and Select operate as they should.
HOWEVER, Delete results in a "Must declare the scalar variable "@RowID" (with the associated "unhandled exception" verbiage).
The DeleteCommand text in the SqlDataSource for the GridView reads
DELETE FROM [Events] WHERE [RowID] = @RowID
along with
[Code]....
I have inspected and compared with similar forms that function correctly and can see no differences (except for the table names).
Forms Data Controls :: Add Delete Function In Gridview?
Jan 11, 2011I have wrote some codes and also i have added delete column with gridview and would like to make it work ,i mean when someone press delete button i want to delete that row.
here is my codes
[Code]....
Forms Data Controls :: Gridview Clearing Out After Delete?
Mar 4, 2010I have a gridview which at run-time contains X number of records. Upon clicking a DELETE linkbutton on a particular row the gridview completely disappears from the page, when it should reflect simply the loss of that one record. Everything is okay on the database end, the record is deleted, so I know that part is working. I run a query and rebind the gridview within the Rowdeleted event. I even try hardcoded a value in the query which I know exists in the database and it still doesn't refresh with this record showing. Whatever code I need to post, let me know.
[Code]....