Web Forms :: Load Gridview Row With Data From Dataset
Nov 30, 2011
I have a gridview to which i am adding rows dynamically at the click event of a button placed in gridview footer template. When i want to update data. I have to load the gridview with all the rows required. I get the sql table data in the dataset object and then i have to load this in the gridview. How can i do this? Only one row gets loaded when i use this code:
DataSet DSContact = DMLObj.Load_DataSet("Usp_LoadData", "ContactPerson", idf); foreach (GridViewRow row in GVContactPerson.Rows) { ((TextBox)row.FindControl("txtContactName")).Text=DSContact.Tables[0].Rows[0]["ContactName"].ToString(); ((TextBox)row.FindControl("txtemail")).Text = DSContact.Tables[0].Rows[0]["ContactEmailID"].ToString(); ((TextBox)row.FindControl("txtmob1")).Text = DSContact.Tables[0].Rows[0]["ContactMobile"].ToString(); Session["contact"] = ((TextBox)row.FindControl("txtContactName")).Text; string pid = Convert.ToString(DMLObj.getid("Select ContactPersonID from tbl_ContactPersonDetails where ContactName='" + Session["contact"].ToString() + "'")); Session["contactID"] = pid; }
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Sep 19, 2010
I was searching for my problem for last couple of days. But coudn't find a better solution. So here I go again. What I did which worked great: I was going to a asp page with pre populated Dataset (dataset is already loaded with data), for a GridView. If I do the following .... the GridView shows all the data (with the fields Dataset comes with).
[Code]....
Now what I am trying to do: I am trying to do exact same thing but instead of using GridView, I would like to display data in a FormView. So now I tried to do this
[Code]....
PROBLEM: I can see the FormView Header with text "Test Dataset With FormView" and below the Header it displays the page numbers. I know that I have 3 data in the data set and I can see 3 page link in the FormView. But PROBLEM is it doesn't display any Field / Data. Not sure why it is doing this
Note that I wouldn't know what field to display in the FormView. Whatever I have in the Dataset I need to display. Is there any work around to accomlish my work (maybe by not using a FormView, but other conrol ?). My original goal is to Display Data in a Form View Format (One data at a time
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Mar 31, 2011
In my project I work with Entity Framework (LINQ to ENTITY). I only have ADO.NET Entity Data Model and a DAL (Data Access Layer). I also get the data due a WCFClientService. I have a gridview that needed to be exported in Excel.
FlexCel is a tool for generating Excel files based on a template. The only thing I see in demo's is that they work with DataSets.
Is there a way to convert the data in my gridview to a virtual DataSet?
I've written the following method to get the data:
[Code]....
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Feb 2, 2010
I am using ASP.NET 2.0 and C#. I have a gridview and a button to load the data into the gridview in my web application. Below is the code:
[Code]....
The grid is loading very slow with the data, as there as more than 1000 names being filled.
How to improve the performance?
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Oct 26, 2010
i am havin one join condition in back end and storing the result into dataset and from dataset i am unable to load data into crystal reports nothing is coming only empty report is getting displayed.
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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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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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Dec 21, 2010
I have a detailsview, template as follows:
[Code]....
Codebehind: creating dataset, getting data from sql with adaptor and filling into dataset object, then setting detailsview's datasource.
I add 2 button to above template to able to edit data at asp page, and added event handlers:buttons:
[Code]....
My question is, what to do inside the detailsview update event function to able to edit and update data. My method can be wrong too.
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May 6, 2010
I need to bind a gridview with a dataset souce.but this dataset source is not loaded from database.its tables are loaded manually.
now the query is - what can I give in the itemtemplate of gridview?
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Aug 27, 2010
on which all conditions we use dataset and datatable to bind data to a gridview?
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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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Nov 19, 2010
I have a Gridview and two link button in that GridView , one link button click is to add edit row ( Edit ), one link button click is to select row ( Select ). I have a dropdownlist inside row which selected when i click link button Select in the gridview edit template, as of my business logic i need to show the dropdownlist only when the user clicks Edit button and when the user clicks Select button . That mean when the user clicks Select button then they clicks Edit button on the gridvview i should allow him to edit the dropdownlist (showing the value to the user through a label).
ASPX CODE
[Code].... C#
When I click Select link button , then I click Edit link button . They have errors : Index was out of range. Must be non-negative and less than the size of the collection. Parameter name: index" I don't know what error?. How to fix it
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Mar 2, 2011
i am use this code for read excel file:
[Code]....
how to read special cells in excel and I save to DB.
for example: B4 and C4 is merged with named B4.how to read Data of this cell.
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Mar 27, 2010
I want to display child rows in the datagrid after the + sign is selected (like grouping & outlining in excel). This is automatic in infragistic grids but when i did in asp (no more infragistics) it doesnt work. here is my code (very simple stuff)
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>
<!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">
<head runat="server">
<title></title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:GridView ID="GridView1" runat="server">
</asp:GridView>
</div>
</form>
</body>
</html>
DataSet ds = new DataSet();
ds.Tables.Add(myDataAccess.ExecuteSelectCommand("uspCategories"));
ds.Tables[0].TableName = "tblCategories";
ds.Tables.Add(myDataAccess.ExecuteSelectCommand("uspProducts"));
ds.Tables[1].TableName = "tblProducts";
DataRelation rel = new DataRelation("relation", ds.Tables[0].Columns["CategoryID"], ds.Tables[1].Columns["CategoryID"]);
ds.Relations.Add(rel);
GridView1.DataSource = ds;
GridView1.DataBind();
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Jan 19, 2010
I `m working in aprojct taht read Excel files then insert tables from excel files to dataset then display these tables into Gridview , All these ok with me
The problem here is
How to insert updated data from gridview to dataset again?
I search for it more & more but i didn`t find any thing to do it
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Apr 9, 2010
[Code]....
[Code]....
[Code]....
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Dec 5, 2010
I am trying to return a dataset. I must be doing something wrong. The returned dataset in this sample code indicates there is a datatable, Users, but there are no datarows. What am I doing wrong? This example is only using the rows.count, but of course I really need to use the whole datatable as the datasource for a gridview.
[Code]....
Public Function getmyds() As DataSet
Dim dsUser1 As DataSet = New DataSet()
Dim tbUser1 As DataTable = dsUser1.Tables.Add("Users")
tbUser1.Columns.Add("UserName")
tbUser1.Columns.Add("Days Remaining")
tbUser1.Columns.Add("UserAccountControl")
Dim rwDefaultUser1 As DataRow = tbUser1.NewRow()
rwDefaultUser1("UserName") = "John Smith"
rwDefaultUser1("Days remaining") = 100
rwDefaultUser1("userAccountControl") = "Enabled"
Return dsUser1
End Function
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Dec 28, 2010
i am fetching data in a dataset.now i m trying to modify the contents using :
For Each row As DataRow In ds.Tables(0).Rows
If row.Item(7) = False Then
ds.Tables(0).Rows.Item(6) = "`/abc/xx/" & row.Item(0)
End If
next
but, this gives me error saying roperty 'item' is read only.
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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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Oct 4, 2010
I have the columns pre-set and I set the Allow Sorting = True,
Now I don't know what code to put in my VB file under "GridView1_Sorting" event.
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Apr 5, 2010
Failed to load viewstate. The control tree into which viewstate is being loaded must match the control tree that was used to save viewstate during the previous request. For example, when adding controls dynamically, the controls added during a post-back must match the type and position of the controls added during the initial request.
The above error occurs with gridview control , when used with template field columns with item template / and edit templates etc.
updating a row within gridview, at the time of loadiong it loads perfectly fined, but when tried to modify an existing row within gridview control, then it produces the error. Make sure the grid view control has to be a child control which manages the child table info with in a master form. to reproduce the above problem the grid view must be loading the child records info of a master within the masterform, meaning both master data and gridview data all to be managed in one single form.
I had to replace gridview control with datagrid and then it worked perfectly fine. I wasted almost 4 days of my time., there is no way we could figure out the problem. here is the full info of the problem.
Server Error in '/' Application.
Failed to load viewstate. The control tree into which viewstate is being loaded must match the control tree that was used to save viewstate during the previous request. For example, when adding controls dynamically, the controls added during a post-back must match the type and position of the controls added during the initial request.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
Exception Details: System.Web.HttpException: Failed to load viewstate. The control tree into which viewstate is being loaded must match the control tree that was used to save viewstate during the previous request. For example, when adding controls dynamically, the controls added during a post-back must match the type and position of the controls added during the initial request.
Source Error:
[Code]....
Stack Trace:
[HttpException (0x80004005): Failed to load viewstate. The control tree into which viewstate is being loaded must match the control tree that was used to save viewstate during the previous request. For example, when adding controls dynamically, the controls added during a post-back must match the type and position of the controls added during the initial request.] System.Web.UI.Control.LoadViewStateRecursive(Object savedState) +306 System.Web.UI.Control.LoadChildViewStateByIndex(ArrayList childState) +134 System.Web.UI.Control.LoadViewStateRecursive(Object savedState) +221 System.Web.UI.Control.LoadChildViewStateByIndex(ArrayList childState) +134 System.Web.UI.Control.LoadViewStateRecursive(Object savedState) +221 System.Web.UI.Control.LoadChildViewStateByIndex(ArrayList childState) +134 System.Web.UI.Control.LoadViewStateRecursive(Object savedState) +221 System.Web.UI.Control.LoadChildViewStateByIndex(ArrayList childState) +134 System.Web.UI.Control.LoadViewStateRecursive(Object savedState) +221 System.Web.UI.Control.LoadChildViewStateByIndex(ArrayList childState) +134 System.Web.UI.Control.LoadViewStateRecursive(Object savedState) +221 System.Web.UI.Control.LoadChildViewStateByIndex(ArrayList childState) +134 System.Web.UI.Control.LoadViewStateRecursive(Object savedState) +221 System.Web.UI.Control.LoadChildViewStateByIndex(ArrayList childState) +134 System.Web.UI.Control.LoadViewStateRecursive(Object savedState) +221 System.Web.UI.Control.LoadChildViewStateByIndex(ArrayList childState) +134 System.Web.UI.Control.LoadViewStateRecursive(Object savedState) +221 System.Web.UI.Control.LoadChildViewStateByIndex(ArrayList childState) +134 System.Web.UI.Control.LoadViewStateRecursive(Object savedState) +221 System.Web.UI.Control.LoadChildViewStateByIndex(ArrayList childState) +134 System.Web.UI.Control.LoadViewStateRecursive(Object savedState) +221 System.Web.UI.Page.LoadAllState() +312 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1661
Version Information: Microsoft .NET Framework Version:2.0.50727.3603; ASP.NET Version:2.0.50727.3082
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Sep 3, 2010
I dont know why my GridView.DataSource is become nothing when the Page.IsPostBack = true.What i did is bind the dataset to the GridView.DataSource when page load. Then when the button click event is trigger i need to get all the records from GridView. But when i debug and check i found that the GridView.DataSource is become nothing. how should i get all records from the GridView and assign to dataset. I'm using VB.net to work on.
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Mar 24, 2010
i have this xml file which i read using the DataSet.ReadXml( path ) method . The tables created from the Xml file is Related in such a maner that each product has many options. Product is in one table and Options are in another.Now all i want to do is display the related tables in One Gridview. For your reference below is the products Xml file,
[Code]....
Now this is what i have done in the Code behind , have a look below
[Code]....
Now the Grid works Great if i want to Display Individual tables out from Dataset but not when they are related . Please do shine your Knowledge on what should be done to display Child ~ Master relationship. By the way , its a definite NO for someone who would show me that link from msdn about displaying XML data using Xmldatasource and gridview [That's a lousy way to display data]
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Mar 16, 2011
I create a gridview in the code behind and fill it with a dataset. I want to provide some information about the data in a label above the grid. In the code posted I want to be able to say something like "Story county has 6 overdue tasks, Polk county has 12 overdue tasks, etc ..." So far I have been trying some different combinations with the dataset and the gridview but nothing gives me totals.
[Code]....
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Jun 10, 2010
i wants to display the related informations of each record of dataset. That mean, dataset having rows for A,B,C and etc..
Then i wants to display the information in same Gridview of each record(A,B,C). i wrote the below my coding, it dispaly info of the last row of dataset only. pls correct the coding.
[Code]....
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