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Showing posts from September, 2013
Telerik: Why the $find Method is Not Working for RadGrid
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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>
ASP.NET: Simulate a Button Click in Code Behind
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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
JQuery: Infinite Loop Button Click
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<%@ 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>
Database Reference For ADO.NET
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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
C# Querying From An Oracle Database
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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(); }
Oracle Date Format And Compare
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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) + "');";