Data Controls :: Filter DataTable Data In Net Framework 2.0
May 7, 2015
I am storing DataTable inside "Application Object" in .aspx page:
DataTable dt = new DataTable();
dt.Columns.Add("SenderUser");
dt.Columns.Add("RcvUser");
[Code]....
Now, I want to filter DataTable of .asmx page, based on Receiver user (dr["RcvUser"]) defined in .aspx page Example:
I want to filter Datatable based on below condition:
if(dr["RcvUser"] == Session["UserName"])
How to achieve it. I am using Framework 2.0
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Aug 2, 2010
I've built a User Control that contains a ListView. To make it work I need to pass to it a DataTable. The columns of this DataTable need to have particular names that match up with what the ListView is expecting. I have a large DataTable that I need to massage/convert over to this different format. To do that I need to filter out columns and rename the column names. The actual data in the DataTable doesn't need to change. Is there a good way to do this without actually instantiating a new DataTable and copying the data from the large DataTable into it?
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Mar 22, 2013
i could bind the data form tables to dropdownlist in asp .net using linq.
ex:
var res=from n in dc. contacts where n.location==Hyd select new{n.Id,n.Name};
var res1=from n in dc. Morecontacts where n.location==Hyd select new{n.Id,n.Name};
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[CODE]...
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May 7, 2015
I am in need of filtering the datatable only with Month and Year .
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How to perform this using Row Filter ...
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Aug 18, 2015
I have a ListView with Checkbox. My requirement is - When I click on any checkbox then it should return all the columns values of that row on behalf of that CheckBox. After much study I came to know that using DataTable and DataRow I can get all data of particular ID of a Row. But I am unable to work with this. My code is something like below:
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[Code].....
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May 7, 2015
Aspx code:
MembershipUser m_user = Membership.GetUser();
DataTable dt = new DataTable();
dt.Columns.Add("SenderUser");
dt.Columns.Add("RcvUser");
dt.Columns.Add("Message");
foreach (ListItem li in lst_Users.Items) {
[Code] ....
I am calling "Application object" from above aspx page into web service page as below:
[WebMethod(EnableSession = true)]
[ScriptMethod(ResponseFormat = ResponseFormat.Json)]
public string WebMessage() {
List<string> list = new List<string>();
DataTable dt = ((DataTable)HttpContext.Current.Application["Message"]);
[Code] ....
I want to know that the approach im using in Web service page to fetch top 5 messages from Datatable is correct or not? How to do that without using LINQ as I am using framework 2.0 ...
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May 4, 2010
I am doing GridView Sorting without ObjectDataSource. For this requirement I need to convert DataTable to DataView, I know I can do that in VS 2008 but How can I do this in VS 2005.
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Jan 11, 2010
I would like to implement LINQ IN ASP.NET for filter required data from datatable. I have doubt that what is right place. I have following options
At presentation layer *.aspx.cs
At our Business layer.
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Oct 31, 2010
I need good css for Gridview just like the mac css
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Jun 17, 2010
Dim dt As New DataTable Dim da As New SqlDataAdapter(s, c)
c.Open()
if Not IsNothing(da) Then
da.Fill(dt)
[code]...
When I call da.fill I am inserting all records from my query. I was then hoping to filter them to display only those where the GroupingID is equal to 0. When I run the above code. I am presented with all the data, the filter did not work. Please can you tell me how to get this working correctly.
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Apr 7, 2010
i have a dataset which contains some data.
let dataset have some columns one among them is " Type "
let the values in column type be type1,type2.type3 and so on
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Jan 11, 2010
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Apr 2, 2010
If I am passed a datatable and I cant change the column structure..is there anyway to set an existing column to a Primary key so I can easily Find() the row I am looking for?
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Aug 22, 2012
im trying to copying specific record from one datatable to another datatable i used below code
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{
System.Data.DataTable dtn = dtg.Clone();
for (int i =startindex; i < count; i++)
[Code]....
its taking too long time in cloneing is there any better way to do this task which is Time effecent
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May 7, 2015
I am referring this article :
[URL]
now when i type something in header Search cell , it shows the data of first page index only , it won't show me data from 2nd page index .. here's my code :
protected void PhasesTempGrid_OnDataBound(object sender, EventArgs e){
GridViewRow row = new GridViewRow(0, 0, DataControlRowType.Header, DataControlRowState.Normal);
for (int i = 0; i < PhasesTempGrid.Columns.Count - 1; i++) {
TableHeaderCell cell = new TableHeaderCell();
TextBox txtSearch = new TextBox();
[Code] .....
My gridview is in update panel therefore i did this in .js script :
var prm = Sys.WebForms.PageRequestManager.getInstance();
prm.add_endRequest(function () {
$(document).ready(function () {
$('.search_textbox').each(function (i) {
[Code] .....
Here's my code structure for gridview :
<asp:UpdatePanel ID="ConstructionActPhaseUpdatePanel" UpdateMode="Conditional" runat="server">
<ContentTemplate>
<asp:gridview ID="PhasesTempGrid" ClientIDMode="Static" OnDataBound="PhasesTempGrid_OnDataBound" allowpaging="True" OnPageIndexChanging="PhasesTempGrid_OnPageIndexChanging"
[code]...
and the way i bind the data to gridview is from textboxes ....
[URL].....
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Jan 12, 2010
How do i show the available data based on the dates? Something like the show only FUTURE dates data.
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Aug 5, 2010
Using ASP.NET 2.0
I have a gridview populated by a SQLDataSource that is fairly complicated on a dataset changing constantly. It takes a second or so to fetch the data.
I want to have external dropdownlists for filtering the data that appears in the gridview, either with a FilterExpression or with parameters.
The problem is that querying the database to populate the dropdownlists takes a long time, because of the complexity of the query. The values in the dropdowns can vary based on other filters.
Is there some simple way of querying the database only once, for the main gridview, and then somehow querying the local (to ASP.NET) copy of the data to extract distinct values for populating the filtering dropdowns? I am thinking this might speed things up a bit.
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Aug 31, 2012
I want bind and filter gridview data with values selected in checbox list ..
i am bind checkboxlist on pageload ....but able to filter the result the of gridview with value of checkbox list ..
when i check box nothing happen
This my code
<div>
<asp:CheckBoxList ID="CheckBoxList1" runat="server" AutoPostBack="True" DataValueField="cartid" DataTextField="sub"
onselectedindexchanged="CheckBoxList1_SelectedIndexChanged" >
</asp:CheckBoxList>
[Code] ....
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Nov 11, 2013
How to Filter Data/row from Repeater control in C.#Repeater control :---------------------All (15)shoes (3)shirts (12).Actually on click i want to filter data/row (posts) from Repeater control. Example: if i click on shoes 3 posts should display only but by default all 15 posts should display.
<asp:HyperLink ID="HyperLink2" runat="server" NavigateUrl='<%#DataBinder.Eval(Container,"DataItem.id", "./Default.aspx?id={0}")%>'> <%#DataBinder.Eval(Container,"DataItem.Category")%></asp:HyperLink>
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Oct 12, 2010
a simple way to filter SQL data when it is retrieved by a GridView control?
Among the various applications I need to create are selecting records based on user inputed criteria (via a DropDownList), and excluding records that have null values (which I need to allow in my database) in certain columns.
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Mar 30, 2010
I have the web page that meet the problem. There exists a gridview and filtering. When Select all by using function A, it is OK. when Filter by using function B, it cannot filter and return no rows. When Select all again, it is OK. I have tested that function B can return the corrected filtered rows. But when databind in the web page, it cannot show and no error?
<ContentTemplate>
<asp:GridView ID="gvwBOM" runat="server" DataKeyNames="ProductID"
AutoGenerateColumns="False" DataSourceID="objBOM" AllowPaging="True"
AllowSorting="True" BorderWidth="0px" CellPadding="3" CellSpacing="1" CssClass="grid-view"
OnRowCreated="gvwBOM_RowCreated"
OnRowCommand="gvwBOM_RowCommand"
OnDataBound="gvwBOM_DataBound" >
.........
<asp:ObjectDataSource ID="objBOM" runat="server"
SelectMethod="GetALTBOMs"
SelectCountMethod="GetALTBOMsCount"
EnablePaging="true"
SortParameterName="SortExpression"
TypeName="QI.BLL.WMS.ALTBOM" >
private void FillGridView(string filter)
{
if(filter == "0")
{
objDataSourceSelect="Afunction";
this.objBOM.SelectParameters.Clear();
}
else
{
objDataSourceSelect="Bfunction";
this.objBOM.SelectParameters.Clear();
this.objBOM.SelectParameters.Add("productSupplimentID", ddlTmp.SelectedValue);
}
this.objBOM.SelectMethod = objDataSourceSelect;
this.objBOM.SelectCountMethod = objDataSourceSelect + "Count";
this.gvwBOM.DataBind();
}
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Feb 8, 2011
i have gridview and data already binded like this...
First Name Last Name Age Date
Qasim Nadeem 26 13/01/2010
Ali Ahmad 20 17/02/2010
Qadeer Numan 18 23/08/2010
Ahmad Asghar 20 23/08/2010
Mohammad Nadeem 26 13/01/2010
now i have One TextBox and four radio button like 1.rbFirstName,2.rbLastName,3.rbAge,4.rbDatemy requirment is if i select radiobutton first rbFirstname and i will enter a text into textbox than ONKEYUP filter the gridview data and show only those row where data is match in first coloum"First Name" and hide the rest of rows...same required for radiobutton 2,3 and 4 respectively in gridview 2nd ,3rd and 4th coloum....i need this solution in javascript or Jquery but i dont want reload the page...
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Oct 21, 2015
Default.aspx**
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" DataKeyNames="admno"
DataSourceID="SqlDataSource1">
<Columns>
<asp:BoundField DataField="admno" HeaderText="admno" ReadOnly="True" SortExpression="admno" />
<asp:BoundField DataField="bcode" HeaderText="bcode" SortExpression="bcode" />
[Code] ......
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May 7, 2015
i need to Filter and display Google Map Markers from database based on DropDownList selection. for that I need to pass the selected value of DropDownList to the query.What should i do in the following code to do the above task?
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
[code]...
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Feb 9, 2011
how i can filter gridview coloumns data based on textbox event ONKEYUP....
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