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WebForms UnobtrusiveValidationMode requires a ScriptResourceMapping for 'jquery'. Please add a ScriptResourceMapping named jquery(case-sensitive)

If you receive the WebForms UnobtrusiveValidationMode requires a ScriptResourceMapping for 'jquery' error, put the following lines of code in the Appliction_Start method in the Global.asax.cs file protected void Application_Start(object sender, EventArgs e) { string jqueryVersion = "1.8.0"; System.Web.UI.ScriptManager.ScriptResourceMapping.AddDefinition("jquery", new System.Web.UI.ScriptResourceDefinition { Path = "~/Scripts/jquery-" + jqueryVersion + ".min.js", DebugPath = "~/Scripts/jquery-" + jqueryVersion + ".js", CdnPath = "http://ajax.aspnetcdn.com/ajax/jQuery/jquery" + jqueryVersion + ".min.js", CdnDebugPath = "http://ajax.aspnetcdn.com/ajax/jQuery/jquery" + jqueryVersion + ".js", CdnSupportsSecu
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Get the Window Screen Width With Javascript

window.screen.width
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Telerik: Why the $find Method is Not Working for RadGrid

The reason the $find method is not working for you is because the RadGrid loads on late binding. You need to get the RadGrid client object in the pageLoad() function like in the code below. After you get it you can set the global variables in the your Javascript so the other function will have access to the RadGrid object. <telerik:RadCodeBlock ID="RadCodeBlock2" runat="server"> <script type="text/javascript"> var radGrid = null; var masterTableView = null; var rgDataItems = null; function pageLoad() { radGrid = $find("<%= RadGrid1.ClientID %>"); masterTableView = grid.get_masterTableView(); rgDataItems = masterTable.get_dataItems(); } </script> </telerik:RadCodeBlock>
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ASP.NET: Simulate a Button Click in Code Behind

In this blog, I will go over how you can simulate a button click postback.  By using the RaisePostBackEvent()  method.  Many of you probably want to do this because you wanted to refresh your GridView by faking a postback.  As you will see the two methods presented on this blog does not perform an actual postback, even though it behaves like it does. Mark Up <form id="form1" runat="server"> <div> <asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="Button" /> </div> </form> Code Behind using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.UI; using System.Web.UI.WebControls; namespace WebApplication2 { public partial class _Default : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { this.RaiseEvent(this, new EventArgs()); if (!Pa
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JQuery: Infinite Loop Button Click

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" EnableEventValidation="false" Inherits="WebApplication2._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> <script src="Scripts/jquery-1.7.1.min.js"></script> </head> <script type="text/javascript"> $(document).ready(function () { $("#Button1").click(); }); </script> <body> <form id="form1" runat="server"> <div> <asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="Button" /> </div>
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Database Reference For ADO.NET

Microsoft has some great references on ADO.NET, however finding everything you need quickly is another story.  This a quick reference of when you need to find information quickly when working with ADO.NET. ADO.NET Data Mappings: Oracle Data Type Mappings:  http://msdn.microsoft.com/en-us/library/cc716726.aspx SQL Server Data Type Mappings :  http://msdn.microsoft.com/en-us/library/cc716729.aspx OLE DB Data Type Mappings :  https://msdn.microsoft.com/en-us/library/cc668759(v=vs.110).aspx ODBC Data Type Mappings:  https://msdn.microsoft.com/en-us/library/cc668763(v=vs.110).aspx LINQ References: LINQ To SQL :  https://msdn.microsoft.com/en-us/library/bb386934%28v=vs.110%29.aspx LINQ To Entity: https://msdn.microsoft.com/en-us/library/vstudio/bb386964(v=vs.100).aspx LINQ To XML:  https://msdn.microsoft.com/en-us/library/system.xml.linq.aspx LINQ To Objects:   https://msdn.microsoft.com/en-us/library/bb397919.aspx
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C# Querying From An Oracle Database

In this blog we will go over how to query an Oracle database in ASP.NET using the System.Data.OracleClient data provider in C#. Namespaces: using System.Web.Configuration; using System.Data.OracleClient; using System.Data; string cs = WebConfigurationManager.ConnectionStrings["SomeConnectionString"].ConnectionString; using (OracleConnection oc = new OracleConnection(cs)) { oc.Open(); DataTable dt = new DataTable(); OracleCommand ocmd = new OracleCommand("SELECT * FROM SOMETABLE", oc); OracleDataAdapter oda = new OracleDataAdapter(ocmd); oda.Fill(dt); GridView1.DataSource = dt; GridView1.DataBind(); }
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Oracle Date Format And Compare

Oracle dates have a different format than SQL Server dates. So to select a date for the Oracle database you have to have the date in the following format.   string myDate = "10/9/2012 2:55:25 PM"; string sql = "SELET * FROM SomeTable WHERE SomeDateField=" + "to_date('" + myDate + "','" + "MM/DD/YYYY HH:MI:SS " + myDate.Substring(myDate.Length - 2) + "');";
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Telerik: The Current RadAjaxManager

RadAjaxManager ram = RadAjaxManager.GetCurrent(this.Page);
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How To Use AJAX Control Toolkit

1. Download the Toolkit at http://ajaxcontroltoolkit.codeplex.com/ 3. Extract the download 4. Add reference to AjaxControlToolKit.DLL 5. Register the DLL on your aspx page <%@ Register Assembly="AjaxControlToolkit" Namespace="AjaxControlToolkit" TagPrefix="asp" %> <!DOCTYPE html> 6. Add ToolkitScriptManager <form id="form1" runat="server"> <div> <asp:ToolkitScriptManager ID="ToolKitManager1" runat="server"></asp:ToolkitScriptManager>
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ASP.NET: Call Stored Procedure Using SqlCommand and SqlDataReader

A lot of times you want to call a stored procedure quickly in the code to access the stored procedure.  You don't want to go through the trouble of dragging an SqlDataSource control in the design view just to use the stored procedure. Here is how you would call the "Top Ten Most Expensive Products" stored procedure in the Northwind database. 1.  First you need the namespaces using System.Web.Configuration; using System.Data.SqlClient; using System.Data; 2. Then get the Northwind connection string value from the Web.config file string connectString = WebConfigurationManager.ConnectionStrings["NorthwindConnectionString"]. ConnectionString; 3. Now call the stored procedure and output the result from the SqlDataReader using (SqlConnection conn = new SqlConnection(connectString)) { conn.Open(); SqlCommand cmd = new SqlCommand(); cmd.CommandText = "GetProductsAvgPrice"; cmd.CommandType = CommandType.Stor
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