gridview

问题 I'm just having an issue I'm hoping someone will be able to give me a few pointers. I have an asp page which is programatically creating multiple gridviews on the same aspx page depending on a variable set of values retrieved from the database. As I am programmatically creating the GridView in code behind, I have to create the gridview gridviews each time the page loads, on postback, oninit etc. I currently create the gridviews within the OnInit function of the page. This all works fine

问题 I have an ASP.Net page with a gridview and detailsview...when I click an item in the gridview, the detailsview is displayed and populated with the details of the selected user from the gridview....currently, when I first load the page and no user is selected from the gridview, I don't see the detailsview...how can I display the detailsview in insert mode when the page is loaded...before a user has been selected from the gridview? 回答1: DetailsView1.DefaultMode = DetailsViewMode.Insert; 来源：

问题 hi i have a very simple webform i have a button and a gridview on this form and a dataset that contains linked tables bill, docket, docket_bill etc. On Button click i use the following code protected void button_click(object sender, EventArgs e) { billTableAdapter Billta = new billTableAdapter(); gridview1.datasource = Billta.getTop20Bills(); gridview1.databind()' } Now when i click on the button, i get the following error "Failed to enable constraints. One or more rows contain values

问题 I'd like to tinker with the auto-generated columns in a gridview a bit. What event would I want to override to modify them just after they are generated but before the control is rendered? 回答1: Check out this link for more information on Customizing the Auto-Generated Columns of a GridView Control: http://msdn.microsoft.com/en-us/library/cc903950(VS.95).aspx The particular event you are looking for would be the AutoGeneratingColumn event More information on the AutoGeneratingColumn event 回答2:

问题 I have a list view as following: <ListView x:Name="lvLedger" Height="{Binding Path=GridHight, ElementName=ledgerList}" Width="{Binding Path=GridWidth, ElementName=ledgerList}" ScrollViewer.HorizontalScrollBarVisibility="Disabled" ScrollViewer.VerticalScrollBarVisibility="Auto" ItemsSource="{Binding}" BorderThickness="0" Background="Transparent" BorderBrush="Transparent" DataContextChanged="lvLedger_DataContextChanged"> <ListView.View> <GridView> <GridViewColumn x:Name="c2ServiceDate" Header=

问题 Previously , I was trying to export gridview value into excel. but with the code given below i am able to export data into excel. but still not able to Save Automatically that excel file into a fixed folder suppose in C:/ drive . The code which i have written to export into excel is given below. Private Sub ButtonExport_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ButtonExport.Click Dim rowsTotal, colsTotal As Short Dim I, j, iC As Short System.Windows.Forms

问题 I stumbled across this before and I know it is a common problem. One related question is GridView is empty. But it does not solve my problem. Ideally what I want is update my gridview depending on the value in a textbox when I click the 'Find' button. It does work for me in my other page. But I have some problem here. I have not changed any default parameters. Here is the gridview <asp:GridView ID="GridView1" runat="server" AllowPaging="True" DataSourceID="SqlDataSource1" AutoGenerateColumns=

问题 What I've tried Hello Guys, I first created a database which I've filled with 3 Collumns, RowID, imageID, text. Afterwards I created a GridView which if filled over my database. Now I have created a onItemClickListner, in which I'd like to get the imageID over the position. After that happend I serach my DB-Table after this imageID, to get the text . This stuff I nneed to save in my other Table. The problem is I think, that I don't get the imageID, and like this serach for nothin in the DB,

问题 I want to get the value of check box placed inside grid view. if check box is checked, it textbox in that row should be enable and if it is again uncheked, the textbox should get clear and disabled. I asked this question few hours back but still didn't get satisfactory answer. I tried like this. //My grid code. <asp:GridView ID="DeptGrid" runat="server" AutoGenerateColumns="False"> <Columns> <asp:BoundField DataField="DeptId" HeaderText="ID"/> <asp:BoundField DataField="DeptName" HeaderText=

问题 How to do Rowspan and Columnspan in gridview header at run time? currently I am doing it with a complex process of creating a table first and then adding all rows and columns into it. Later on doing colspan of gridview header and adding table into it on row created event. code snippet: Table headerTable = new Table(); headerTable.CssClass = "tbl"; headerTable.CellPadding = 1; headerTable.CellSpacing = 0; TableRow headerRow1 = new TableRow(); TableHeaderCell headerTableCell = new