Forms Data Controls :: Display A One Row Gridview When Gridview Is Bound To Empty Dataset
Jan 13, 2010
If the gridview binds to empty dataset, I need to still show a gridview so that users can ADD more using the textfields in the bottom of the footer template. Since the gridview is empty it won't bind not allowing rendering of the <footer template> I guess I should create a empty dataset if the gridview is empty. How do I check for this and can this be done in GridviewRowEventArgs
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Feb 11, 2010
I have a gridView which is populated with the code below. This is working perfectly except for one issue. In the "Region" column, I need for each region name to be a hyperlink. If I set the row code to dr(0) = "<a href='table_display.aspx?IO_ID=" & objDataReader("IO_ID") & "'>" & objDataReader("Region") & "</a>" it actually displays the entire string of text from "<a href..." through "</a>", but not as a hyperlink. I have read in many places to manually put a hyperlink field in the aspx page, but I would really prefer to do this programmatically in the code-behind.
[code]....
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May 17, 2010
I am having trouble with displaying double data in gridview bound coulumn. I want it to display as it is... But it gets rounded off when displayed.
Like my 1.34 displays 1.00
1.57 - 2.00
and so on. But i want it to display as it is i mean with decimal points, without rounding it off.
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Jul 14, 2010
i was able to implement a gridview with insert, edit and delete features, but I NEED to be able to display an empty row for insert even if the select statement returns no row. How do I do that?
Here is the code I have so far:
<asp:Label ID="Label2" runat="server" Text="Accession # "></asp:Label>
<asp:TextBox runat="server" ID="accession_num" AutoPostBack="True"></asp:TextBox>
<asp:SqlDataSource ID="SqlDataSource2" runat="server"
ConnectionString="<%$ ConnectionStrings:pdmstestConnectionString %>"
[Code]....
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Jan 21, 2010
I need to know how to display a single row(or particular row)from dataset and display into gridview... i tried by using some codes, like the following, If strCourseLevelId <> "" Then Dim ds2 As DataSet Dim currentbundlenid As Int16 Dim prevbundleid As Int16 = "0" Dim bundlenos As Int16 = "0" Dim bundlecontent As Bundledata = New Bundledata ds2 = bundlecontent.GetBundleData(strCourseLevelId) If ds2.Tables.Count = 1 Then If ds2.Tables(0).Rows.Count > 0 Then With ds2.Tables(0) Dim strCnt As Int16 For strCnt = 0 To .Rows.Count - 1 With .Rows(strCnt) currentbundlenid = .Item("Bundleid") If currentbundlenid <> prevbundleid Then bundlenos = bundlenos + 1 End If If bundlenos = "1" Then GridView1.DataSource = ds2 GridView1.DataBind() ElseIf bundlenos = "2" Then GridView2.DataSource = ds2 GridView2.DataBind() ElseIf bundlenos = "3" Then GridView3.DataSource = ds2 GridView3.DataBind() End If prevbundleid = .Item("Bundleid") 'next write the main page content End With Next End With End If End If.
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Mar 12, 2011
I have a GridView populated by an ObjectDataSource. I also have several DropDownLists filtering the ObjectDataSource. I found a link providing a way to export a DataSet (or DataTable) to Excel here:
http://msmvps.com/blogs/deborahk/archive/2009/07/23/writing-data-from-a-datatable-to-excel.aspx
ow I can ensure that filters applied to the ObjectDataSource when the method is called are applied. In short, how can I ensure what the UI is displaying is what the file will include when exported?
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Jan 11, 2010
How to display empty GridView to insert new record if no data retreived for some record on the result from data table?Actually i am trying to give a user an option to add recrod from Gridview. On result of some query it is perfectly displaying data and a footer row with the insertion textbox but when there is no data in the gridview it is not displaying. It should display with footer having insert textbox.
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Aug 23, 2010
I have the following code:
using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using Oracle.DataAccess.Client; // ODP.NET Oracle managed provider
using Oracle.DataAccess.Types;
namespace MyTestApp {
public partial class _Default : System.Web.UI.Page {
protected void Page_Load(object sender, EventArgs e) {
OracleConnection conn = new OracleConnection("User Id=UID; Password=PWD; Data Source=XE; Pooling=false"); try { conn.Open(); } catch ( OracleException oe ){
Console.WriteLine("ERROR : " + oe.Message); }
if ( !Page.IsPostBack ) {
if (conn.State == ConnectionState.Open) {
// get data GetMoleculesToShow(conn); } }
// clean up connection conn.Dispose(); }
static void GetMoleculesToShow( OracleConnection conn ){
String division; String rxotc; String molecule_name;
String prodnum; String proddesc; String molecule_class; String nonactive;
// create command object and set attributes
OracleCommand cmd = new OracleCommand("schema.package.procedure", conn);
cmd.CommandType = CommandType.StoredProcedure;
//Bind values
cmd.Parameters.Add("mol_to_show_cur", OracleDbType.RefCursor);
cmd.Parameters[0].Direction = ParameterDirection.Output; try {
// Execute command, have parameters populated cmd.ExecuteNonQuery();
// Create OracleDataAdapter, data provider object to populate dataset
OracleDataAdapter da = new OracleDataAdapter(cmd);
//Populate dataset with "molrefcur"
DataSet ds = new DataSet();
da.Fill(ds, "mol_to_show_cur", (OracleRefCursor)(cmd.Parameters["mol_to_show_cur"].Value));
//Verify dataset is begin populated //DataTable dt = ds.Tables[0];
//foreach ( DataRow dr in ds.Tables[0].Rows ) //{
// division = dr["division"].ToString();
// rxotc = dr["rxotc"].ToString();
// molecule_name = dr["molecule_name"].ToString();
// prodnum = dr["prodnum"].ToString();
// proddesc = dr["proddesc"].ToString();
// molecule_class = dr["molecule_class"].ToString();
// nonactive = dr["nonactive"].ToString(); //}
if (ds.Tables[0].Rows.Count != 0) {
// display dataset values GridView gvMolecules = new GridView();
gvMolecules.DataSource = ds.Tables["mol_to_show_cur"].Rows;
gvMolecules.DataBind(); } }
catch (OracleException oe) {
Console.WriteLine("ERROR : " + oe.Message); }
finally { cmd.Dispose(); } } } }
The dataset is being populated, however when the page renders, the data nor the gridview are visible. I have tried using both IE and Firefox, binding / not binding the columns, AutoGenerateColumns Y / N with no success. As I am new to all of this ( VS2008, ASP.NET, C# ) I can't help but to think I am overlooking something basic.
I am using the following :
- VS 2008
- MS Vista SP2
- Oracle XE ( local )
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May 7, 2015
How to set letter NO in gridview is empty record...
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Feb 19, 2010
I have a gridview with two bound fields. On clicking a button i want to display the values in first row of gridview in two textboxes. But if gridview cell is empty i am getting the text in textbox to which the value of cell is given as -' 'i know my problem will be solved if i use the template fields instead. But i want a solution while maintaining the bound fields ,if any.
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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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Jul 2, 2010
I got his code for RowDataBound
[Code]....
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Jul 26, 2010
I'm a bit new to VB .NET programming. I was given a project to build a web page for our Shipping department to pull up some order & invoice numbers, based on an order number parameter.
Basically, what I'm trying to do is, when the user enters an order number, I want the web page to display the invoices & invoice dates that are associated with the order number.
I've put together some code already, but not sure it is actually working. The web page comes up in Debugging mode and it acts like it is pulling data from the Oracle database, but nothing shows up in the Gridview (which I bound to the dataset... I think).
[Code]....
Being new to VB, I'm guessing my code may not be totally correct. I've tried lots of things and done tons of searching on Google, but nothing I've tried seems to work. At this point, I'm not even sure if the dataset is being populated correctly or at all either. I'm a bit lost right now and could use some expert thoughts.
In case it helps, my dataset has one data table in it (dtShipData). My dataset class is sdDataSet. I added 3 columns to the data table and the gridview, manually. Not sure if should do that or not. I don't have any SQL behind the datatable itself...
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Feb 25, 2016
With reference to the following link: [URL] .....
I want to save data to a different table. My save is working fine but the challenge is that it saves empty cells as well.I will like to save only QTyDelivered cell with value. Any empty QTyDelivered cell should be ignored (which means the row of QTyDelivered cell that is empty will not be saved) .How can i achieve this?
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Apr 30, 2010
I am using a DetailsView component (dvExpertsData) bound to a SqlDataSource (sqldsExpert) with a field that has a ItemTemplate (Field[9]) with a checkbox component (chkbxAvailable) assigned to it. The idea is to have only this item updated out of all the data presented, so I do not have a requirement for editing an other data. sqldsExpert's SELECT query is a call to a stored procedure as is the UPDATE query.
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Feb 10, 2010
I have a foreign key (TeamID) in a GridView. I use a TemplateField to display it as the lookup value (TeamName) in a label, and a dropdown for editing. When row is selected and SelectedIndexChanged is fired, I want to access the TeamID. I can get the TeamName from the label. I tried putting the TeamID in DataKeyNames, but that fouled up my dropdown when saving (it reverts to the original value). So, how can I get the TeamID?
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Mar 3, 2010
I am having a hard time updating from my gridview based the value that I am setting in the datakeynames it is the Ucc field I keep getting and index out of range exception on the e.keys[0]. I have done this before so I am confused what I am missing here.
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Apr 18, 2010
what it is i have a datagrid bound to a datatable.This datatable fills from a sql table. This datatable will have 2 columns which is 'part' and 'description'.What it is I want to have a couple of chk boxes next to the datagrid which will filter it by column 'part'.The issue is the datagrid will have about 1000 records so i dont want to do a for next loop searching for field part for a certain filter
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Mar 4, 2011
I have a Dictionary and I bind it to my Grid view...
[Code]....
But its not paging at all... is it even possibe to page if you are bound to a Dictionary?
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Feb 8, 2011
DLRepository is a class with method getDLandRules. I am binding the gridview with the list that is returned by method. Now I would like to iterate through the list and add 1 more column to each row that is returned. currently, I am getting an error
GridView1.Rows[row].Cells[7].Text 'GridView1.Rows[row].Cells[7]' threw an exception of type 'System.ArgumentOutOfRangeException' strin
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Aug 31, 2010
I have a gridview being data bound by an objectdatasource which points to a BLL/DAL. I have paging and sorting enabled within the gridview. I have the fields configured in the look/fell I want from a templatefield. This templatefield has the sort expression (date) I want things to be sorted by. All this works as it should and I have no issues with it.But, the issue is that when I click on the header to sort asc/desc by date, I have to click on it twice for it switch to descending order. E.g. I hit the webpage and it lists all the information in the gridview, sorted by date, ascending order. If I want to sort by descending order, I have to click the date header twice in order for the gridview to sort the information in descending order; the clicks cause a post-back and the whole screen is refreshed.
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May 25, 2010
I have a Gridview that has a template field containing a bound textbox (fieldname is 'Status'). I have an extra column containing an update button, which is designed to update the db with whatever is in the textbox.
What's happening is that when I load the form, the textbox is blank, even though there is existing data in the fields. If however I click the update button, all the textboxes in the Status column update and populate with the correct data from the database. I guess my question is why would bound textboxes not populate until an update command is run?
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Jan 28, 2011
VS2010 Ultimate ASP.NET 4.0 Web Appliction project
I have a simple aspx page with a GridView Bound to an ObjectDataSource utilizing a class object that returns a DataView.
There are no errors generated, but the GridView does not display any rows. If I check the return value of the ObjectDataSource in the Selected event in the Immediate window (?CType(e.ReturnValue,DataView).Count), there are 51 rows. However, (?Me.GridView1.Rows.Count) shows 0 rows. The exact same page in VS2008, ASP.NET 3.5 works fine. how to get the GridView to display the rows? What has been done to the GridView in 4.0?
Page and code below -
<%@ Page Language="vb" AutoEventWireup="false" CodeBehind="WebForm2.aspx.vb" Inherits=".WebForm2" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
[Code]....
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Mar 13, 2010
I'm hitting a wall trying to format a boundfield of a gridview. I've tried suggestion about setting the htmlencode to false, but that didn't make a difference.The column I am trying to format is:<asp:BoundField DataField="FromDate" HeaderText="Start Date" DataFormatString="{0:MM/dd/yyyy}" HtmlEncode="False" />
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Jan 21, 2010
I have this grid view
[Code]....
The first page show up just fine, when i try to go to the second page of the GV i get this errorThe GridView 'GVCreditMemos' fired event PageIndexChanging which wasn't handled.
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