gridview

问题 I have a GridView which is associated with an SqlDataSource . When I click a Button , I change the SelectCommand and then I use DataBind to update the GridView . After PostBack, I want the latest Data to Remain, I don't want the GridView to be loaded by the original SelectCommand . I know this is done by something called ViewState , but I didn't manage to implement it in the right way. I tried both EnableViewState="true" and EnableViewState="false" on the Grid itself, with no luck. Code <asp

问题 How can be done a 2D of 10x10 selectable elements each element with text in a windows form? Is there an easy way of doing this? I need to select some elements in an orderable way (indexed) in the grid in order to send new positions to my robot. I mean: 1st: go to first selected element of the grid (labeled as 1 when selected) 2nd: go to the second selected element of the grid (labeled as 2 when selected) ... and so on... The grid would look like this: (source: xmswiki.com) I am trying to

问题 Can someone redirect me to your own blog link or any other link explaining complete tutorial about how to implement gridview custom paging using stored procedure? My search in google giving me old articles from year 2006. Right now I am using asp.net 3.5 and c#. 回答1: .aspx page <asp:DropDownList ID="ddlSelector" AutoPostBack="true" runat="server" onselectedindexchanged="ddlSelector_SelectedIndexChanged" > <asp:ListItem>Employee</asp:ListItem> <asp:ListItem>Customer</asp:ListItem> </asp

问题 hi i bind a DataTable to a gridview. i want to use the DataTable in some postback event, and ii want to use viewstate. does gridview save data in viewstate? if no what is the best way to do this. (full story : i have a custom gridview derived from standard asp.net gridview, and i put a button in header to export data to excel, i want to use data saved in viewstate to export to excel) thanks 回答1: The short answer is yes, information shown in the GridView, much like the current state of any

问题 hi i bind a DataTable to a gridview. i want to use the DataTable in some postback event, and ii want to use viewstate. does gridview save data in viewstate? if no what is the best way to do this. (full story : i have a custom gridview derived from standard asp.net gridview, and i put a button in header to export data to excel, i want to use data saved in viewstate to export to excel) thanks 回答1: The short answer is yes, information shown in the GridView, much like the current state of any

问题 I have a gridview which will contain some 'n' number of rows.... Now i want to add all rows of the gridview to a datatable which will be used for bulkcopy operation... I have found this http://www.codeproject.com/KB/aspnet/GridView_To_DataTable.aspx But i want all columns of my gridview to be added to the datarow of the datatable Grid http://img85.imageshack.us/img85/4044/gridp.jpg I want to convert gridview to datatable on submit.... Any suggestion... EDIT: Answer below works and i have

问题 I have an asp:GridView declared as follows: <asp:GridView runat="server" id="dg_myprojects" AllowSorting="true" AutoGenerateColumns="false" Width="900px" CssClass="Grid" OnSorting="TaskGridView_SortingMine" OnRowCommand="MyProjectList_RowCommand" DataKeyNames="project_id" OnRowDataBound="Ds_my_projects_RowDataBound"> <AlternatingRowStyle CssClass="alternateRow" /> <HeaderStyle CssClass="GridHeader" /> <Columns> <asp:BoundField DataField="project_name" HeaderText="Project Name" SortExpression=

问题 I have a DataGridView made of a DataSet of a table from the DB. When I delete a row, it is updated in the database but it is not removed from the GridView. Only when I restart the application does it get removed from the GridView. Please help 回答1: This is a very simple process. 1.) Create a Binding Source 2.) Set the Datasource for this object to your Dataset Table. 3.) Set The datasource for your DatagridView as the Binding source Object. Code Example: Dataset ds = new Dataset();

问题 I had this questions part by part and solve it now so I want to share maybe someone will use it. I have 4 models: Users,Certificate, Products, Autority. The main will be Users, from users Id we see certificate, from certificate Id we si the product id, from product id we see the autority. I solve it in one way so maybe someone can tell me if it is good or there are some other ways to do it. This will be step by step description. :) 1)In models set links between tables (hasOne, hasMany) (this

问题 I have created a gridview which displays the letters of the alphabet. I populate the gridview with a string array using a custom BaseAdapter. What i want to do is to be able to get the Button View at a position in the GridView. For example i want to be able from my gridView.setOnItemClickListener(); to get-set the BackgroundColor of the Button that was clicked. So far i am able to get the just the text form the string array at a position, but i don't know how i can get the clicked Button.