Wednesday, 23 October 2013

Failed to create Designer from any web Server Control

For this type of problem you should use same assembly version number in web.config file and add same version assembly in add reference  and use same version assembly in aspx page

<%@ Register assembly="Infragistics4.Web.v13.1, Version=13.1.20131.2157, Culture=neutral, PublicKeyToken=7dd5c3163f2cd0cb" namespace="Infragistics.Web.UI.GridControls" tagprefix="igtbl" %>

then version number  13.1.20131.2157 should be same at three places defined above
Web.config File
Add Reference
Aspx Page

Potential Dangerious Request

a potentially dangerous request.form value was detected from the client in asp.net 4.0

Solution :: In web.config file under System.Web write

<compilation debug="false" targetFramework="4.0" /> 
 <httpRuntime requestValidationMode="2.0"/>

Thursday, 10 October 2013

Repeater control implementation by tarun developer

dataconnectivity u can give on page load event  means connectionstring

<asp:Repeater ID="Repeater1" runat="server">
            <HeaderTemplate>
<table border="1" width="100%">
<tr>
<th>name</th>
<th>userID</th>
<th>password</th>
<th>dob</th>
</tr>
</HeaderTemplate>

<ItemTemplate>
<tr>
<td><%#DataBinder.Eval(Container.DataItem,"name")%></td>
<td><%#DataBinder.Eval(Container.DataItem,"userID")%></td>
<td><%#DataBinder.Eval(Container.DataItem,"password")%></td>
<td><%#DataBinder.Eval(Container.DataItem,"dob")%></td></tr>
</ItemTemplate>

<FooterTemplate>
</table>
</FooterTemplate>

        </asp:Repeater>

name ,userID,password,dob are table columns in database

Thursday, 26 September 2013

Delete Duplicate Records from Table in SQL SERVER

DELETE FROM emp WHERE ID NOT IN (SELECT MIN(ID) FROM emp GROUP BY FName)

delete from tableName where UniqueColumn NOT IN (select MIN(UniqueColumn) from tableName GROUP BY DuplicateRecoedColumn/DeletedDuplicateColumn)

Monday, 2 September 2013

Visual Studio Classification

 http://en.wikipedia.org/wiki/Microsoft_Visual_Studio

Editions feature grid

Editions feature grid[52]
Product Extensions Projects templates MSDN integration Debugging Profiling Static analysis IntelliTrace Unit test Code coverage Coded UI test Test impact analysis Load testing Lab management Architecture and modelling Windows Phone development
Express Yes Limited Essential Yes No No No No No No No No No No Yes
Professional Yes Yes Full or Essentials Yes No No No Yes No No No No No No Yes
Premium Yes Yes Full Yes Yes Yes No Yes Yes Yes Yes No No Read-only Yes
Ultimate Yes Yes Full Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
Test Professional No No Full No No No No No No No Yes No Yes No No

Version history

Prior to Visual Studio Version 4.0, there were Visual Basic 3, Visual C++, Visual FoxPro and Visual SourceSafe as separate products.
Product name Codename Internal
version
Supported .NET
Framework versions
Release date
Visual Studio N/A 4.0 N/A 1995-04
Visual Studio 97 Boston 5.0 N/A 1997-02
Visual Studio 6.0 Aspen 6.0 N/A 1998-06
Visual Studio .NET (2002) Rainier 7.0 1.0 2002-02-13
Visual Studio .NET 2003 Everett 7.1 1.1 2003-04-24
Visual Studio 2005 Whidbey 8.0 2.0, 3.0 2005-11-07
Visual Studio 2008 Orcas 9.0 2.0, 3.0, 3.5 2007-11-19
Visual Studio 2010 Dev10/Rosario 10.0 2.0, 3.0, 3.5, 4.0 2010-04-12
Visual Studio 2012 Dev11 11.0 2.0, 3.0, 3.5, 4.0, 4.5 2012-09-12
Visual Studio 2013 Dev12 12.0 2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1 Upcoming

Monday, 5 August 2013

upload a file in database and download from database

 string filename = Path.GetFileName(FileUpload1.PostedFile.FileName);
                Stream str = FileUpload1.PostedFile.InputStream;
                BinaryReader br = new BinaryReader(str);
                Byte[] size = br.ReadBytes((int)str.Length);
                using (con = new MySqlConnection(ss))
                {
                    con.Open();
                    using (cmd = new MySqlCommand("insert into referalprogram(Company_Id,File_Name,Referal_Description,File_Type,File_Data,Add_User_Id,Add_Date)values(@cid,@fname,@rd,@ftype,@fdata,@uid,@adddate)", con))
                    {
                        cmd.Parameters.Add(new MySqlParameter("@cid", Session["cid"]));
                        cmd.Parameters.Add(new MySqlParameter("@fname", filename));
                        cmd.Parameters.Add(new MySqlParameter("@rd", TextBox1.Text));
                        cmd.Parameters.Add(new MySqlParameter("@ftype", "application/word"));
                        cmd.Parameters.Add(new MySqlParameter("@fdata", size));
                        cmd.Parameters.Add(new MySqlParameter("@uid", Session["adduid"]));
                        cmd.Parameters.Add(new MySqlParameter("@adddate", curr));
                        cmd.ExecuteNonQuery();
                        con.Close();
                        TextBox1.Text = "";
                        Label4.Text = "Data has been Uploaded.";
                    }
                }


to download by clicking on a button in gridview

protected void GridView1_RowCommand(object sender, GridViewCommandEventArgs e)
        {
            if (e.CommandName == "Download")
            {
                int id=Convert.ToInt32(e.CommandArgument);
                //LinkButton lnkbtn = sender as LinkButton;
                //GridViewRow gvrow = lnkbtn.NamingContainer as GridViewRow;
                //int fileid = Convert.ToInt32(GridView1.DataKeys[gvrow.RowIndex].Value.ToString());
                //string name, type;
                using ( con = new MySqlConnection(ss))
                {
                    con.Open();
                    using (cmd = new MySqlCommand("select File_Name, File_Type, File_Data from referalprogram where Ref_Program_Id=@Id",con))
                    {
                        cmd.Parameters.Add(new MySqlParameter("@id", id));
                        dr = cmd.ExecuteReader();
                        if (dr.Read())
                        {
                            Response.ContentType = dr["File_Type"].ToString();
                            Response.AddHeader("Content-Disposition", "attachment;filename=\"" + dr["File_Name"] + "\"");
                            Response.BinaryWrite((byte[])dr["File_Data"]);
                            Response.End();
                        }
                    }
                }
            }
        }

highlight certain dates selected by dataReader from database

<!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>
   
    </div>
    <asp:DropDownList ID="DropDownList1" runat="server" AppendDataBoundItems="True"
        AutoPostBack="True" DataSourceID="SqlDataSource1" DataTextField="Vehicle"
        DataValueField="Vehicle" Height="17px"
        onselectedindexchanged="DropDownList1_SelectedIndexChanged" Width="144px">
        <asp:ListItem Selected="True">Select vehicle</asp:ListItem>
    </asp:DropDownList>
    <asp:SqlDataSource ID="SqlDataSource1" runat="server"
        ConnectionString="<%$ ConnectionStrings:rentcarConnectionString %>"
        SelectCommand="SELECT DISTINCT [Vehicle] FROM [booking]">
    </asp:SqlDataSource>
    <asp:Calendar ID="Calendar1" runat="server" BackColor="#FFFFCC"
        BorderColor="#FFCC66" BorderWidth="1px" DayNameFormat="Shortest"
        Font-Names="Verdana" Font-Size="8pt" ForeColor="#663399" Height="336px"
        ondayrender="Calendar1_DayRender" ShowGridLines="True" Width="902px">
        <DayHeaderStyle BackColor="#FFCC66" Font-Bold="True" Height="1px" />
        <NextPrevStyle Font-Size="9pt" ForeColor="#FFFFCC" />
        <OtherMonthDayStyle ForeColor="#CC9966" />
        <SelectedDayStyle BackColor="#CCCCFF" Font-Bold="True" />
        <SelectorStyle BackColor="#FFCC66" />
        <TitleStyle BackColor="#990000" Font-Bold="True" Font-Size="9pt"
            ForeColor="#FFFFCC" />
        <TodayDayStyle BackColor="#FFCC66" ForeColor="White" />
    </asp:Calendar>
    <asp:DropDownList ID="DropDownList2" runat="server">
    </asp:DropDownList>
    <asp:Label ID="Label1" runat="server" Text="Label"></asp:Label>
    </form>
</body>
</html>


Coding


using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;
using System.Data.SqlClient;
using System.Configuration;

public partial class Default14 : System.Web.UI.Page
{
    public string ss;

    protected void Page_Load(object sender, EventArgs e)
    {
        ss = ConfigurationManager.ConnectionStrings["rentcarConnectionString"].ConnectionString;
    }
    protected void DropDownList1_SelectedIndexChanged(object sender, EventArgs e)
    {
        DropDownList2.Items.Clear();
        SqlConnection con = new SqlConnection(ss);
        con.Open();
        SqlCommand cmd = new SqlCommand("select * from booking where Vehicle='" + DropDownList1.SelectedValue.ToString() + "'", con);
        SqlDataReader dr = cmd.ExecuteReader();
        while (dr.Read())
        {
            string sd = dr.GetValue(2).ToString();

            //Label1.Text = "sd;
            List<string> lists = new List<string>();
            lists.Add(sd);
            foreach (string s in lists)
            {
                DropDownList2.Items.Add(s);
                Calendar1.SelectedDates.Add(Convert.ToDateTime(s));
            }
        }
        dr.Close();
        con.Close();
    }
    protected void Calendar1_DayRender(object sender, DayRenderEventArgs e)
    {
      
            if (e.Day.IsSelected)
            {
                e.Cell.Text = "booked";
            }
       
    }
}


to perform any action on selecting date then code

 protected void Calendar1_SelectionChanged(object sender, EventArgs e)
    {
        string sds =Calendar1.SelectedDate.ToShortDateString();
    
    }