Forms Data Controls :: How To Filter SQL Data When It Is Retrieved By A GridView Control

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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[URL]..

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[Code]....

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Forms Data Controls :: Use Local Gridview Data To Populate Filter Dropdowns?

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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.

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Forms Data Controls :: GridView Can't Filter Because Of Object Data Source?

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";
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}
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Forms Data Controls :: Required Filter ON Gridview Columns Data?

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i have gridview and data already binded like this...

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I m using Gridview and I wonder is there a way to filter data inside the gridview?
best Regards.

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I am listing users in a GridView with:

[Code]....

And code behind:

[Code]....

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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;
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[code]...

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I'm trying to create a page with multiple fields to be used as parameters for filtering a GridView. I'm using a combination of two asp:dropdown lists and two check boxes. When I select a value in one ddl, I want to clear the value in the other ddl. I was trying to use the event "onTextChanged" but that doesn't seem to fire off on the client side and I cannot seem to find any event for an asp:ddl or asp:checkbox or asp:radio button that fires off on the client side.

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I am just learning ASP.NET. I have a form which has a gridview on it. It displays data from an Access database. I want to filter the gridview on one of the columns. I am using a dropdownlist to select the filter value only and then a button to execute the filter. If I use "accessdatasource.filterexpression = " type of statement the filtering works but it cancels when you go to the next page on the gridview. So, I have tried the following code. But it does not work.

The filter action:

[Code]....

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Forms Data Controls :: Filter Gridview From A Dropdownlist With Date?

Sep 13, 2010

having trouble fing any info on what i need to be doing

i have tried '{1}' , '#{1}#' , '{1:MM/dd/yyyy}' and a whole bunch of combinations thereof

Teh problem is when i get it to actual not have a complie error then the functionality is not correct as i am unable to "select" all from my dropdown list .

The only way i have gotten anything close to working is by removinf the % from both the filter and the default value.

here is relevant code

[Code]....

enote i removed the append databound items=true

[Code]....

I found this exact problem here

[URL]

but no replies

entire code

[Code]....

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Forms Data Controls :: Filter Gridview Based On Value From Dropdownlist?

Aug 9, 2010

I have a gridview that I'd like to have changed based on a value selected in a dropdownlist. I'm able to get the aspx page to display the dropdown list (comming from SQL), and when I select a value, the page reloads, but no data show in the griview.

[Code]....

Here is the aspx page:

[Code]....

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