Monday, 13 October 2014

Downloading files from server folder in C# on link button clicked Event which is inside GridView

     


              
 protected void lnk_attach4_Click(object sender, EventArgs e)
    {
        try
        {
            LinkButton _lnk = (LinkButton)sender;
            GridViewRow _row = (GridViewRow)_lnk.NamingContainer;
            int _i = Convert.ToInt32(_row.RowIndex);
            int _reqID = Convert.ToInt32(gv_hrmrequest.DataKeys[_i][0].ToString());

            string _LogPath = ConfigurationManager.AppSettings["Docs"].ToString();
            string _filename1 = _LogPath + _reqID + "_4_" + _lnk.Text;

            if (_lnk.Text != string.Empty)
            {
                if (_lnk.Text.EndsWith(".txt"))
                {
                    Response.ContentType = "application/txt";
                }
                else if (_lnk.Text.EndsWith(".pdf"))
                {
                    Response.ContentType = "application/pdf";
                }
                else if (_lnk.Text.EndsWith(".docx"))
                {
                    Response.ContentType = "application/docx";
                }
                else
                {
                    Response.ContentType = "image/jpg";
                }

                string filePath = _lnk.Text;

                Response.AddHeader("Content-Disposition", "attachment;filename=\"" + filePath + "\"");
                Response.TransmitFile(_filename1);
                Response.End();
            }
        }
        catch (Exception ex)
        {

        }
        finally
        {

        }
    }

Monday, 4 August 2014

Select / Dis select all the check boxes inside the Grid view using java script.


// javascript block



function SelectAll() {
            var gv = document.getElementById('<%=gv_orderdetails.ClientID%>');

            if (gv.rows[0].cells[5].getElementsByTagName("INPUT")[0].checked == true) {
                for (var i = 1 ; i < gv.rows.length; i++) {
                    gv.rows[i].cells[5].getElementsByTagName("INPUT")[0].checked = true;
                }
            }
            else {
                for (var i = 1 ; i < gv.rows.length; i++) {
                    gv.rows[i].cells[5].getElementsByTagName("INPUT")[0].checked = false;
                }
            }

        }

        function disselect()
        {
            var gv = document.getElementById('<%=gv_orderdetails.ClientID%>');

            var x = false;

            for (var i = 1 ; i < gv.rows.length-1; i++)
            {
                if (gv.rows[i].cells[5].getElementsByTagName("INPUT")[0].checked == true)
                {
                    x = true;
                }
                if (gv.rows[i].cells[5].getElementsByTagName("INPUT")[0].checked == false)
                {
                    x = false;
                    break;
                }

            }

            if (!x)
            {
                gv.rows[0].cells[5].getElementsByTagName("INPUT")[0].checked = false;
            }
            else
            {
                gv.rows[0].cells[5].getElementsByTagName("INPUT")[0].checked = true;
            }
        }




------------------------------------------------------------------

// In Design


             <asp:TemplateField HeaderStyle-Width="30px">
                    <HeaderTemplate>
                        <asp:CheckBox ID="chk_Headerselect" runat="server"                              onclick="Javascript:SelectAll();" />
                    </HeaderTemplate>
                    <ItemTemplate>
                        <asp:CheckBox ID="chk_select" runat="server"
  onclick="Javascript:disselect();"/>
                    </ItemTemplate>
                    <ItemStyle HorizontalAlign="Center" />
                    <HeaderStyle HorizontalAlign="Center" />
                </asp:TemplateField>






Sunday, 3 August 2014

Creating New Outlook mail Item Using C#


using Microsoft.Office.Interop.Outlook;
using OutlookApp = Microsoft.Office.Interop.Outlook.Application;

-----------------------------------------------------------------------------


               OutlookApp outlookApp1 = new OutlookApp();
                MailItem _mi =(MailItem) outlookApp1.CreateItem(OlItemType.olMailItem);
                _mi.Subject = "This is the subject";
                _mi.To = "someone@example.com";
                _mi.Body = "This is the message.";
                _mi.Attachments.Add(@"C:/Users/Manjunath.le/Downloads/Annexure.pdf");
                _mi.Display(false);


// This will open New Outlook mail Create Window.

Wednesday, 4 June 2014

Preventing user to select date greater than today in Ajax calender extender.

<script type="text/javascript">

function checkDate(sender, args) {
            if (sender._selectedDate > new Date()) {
                alert("You cannot select a day Greater than today!");
                sender._selectedDate = new Date();
                // set the date back to the current date
                sender._textbox.set_Value(sender._selectedDate.format(sender._format))
            }

</script>


Design:


  <asp:TextBox ID="txt_FDate" runat="server" Width="100px"></asp:TextBox>
                <img id="calendar_Img1" src="Images/calendar.gif" alt="Calendar" />
                <cc1:CalendarExtender ID="CalendarExtender1" runat="server" TargetControlID="txt_FDate"
                    CssClass="cal_Theme1" Format="yyyy-MM-dd" PopupButtonID="calendar_Img1" OnClientDateSelectionChanged="checkDate">
                </cc1:CalendarExtender>

Wednesday, 28 May 2014

Getting Data table from the Excel Sheet Using C#

        string connectionString = "";
        bool flag = true;
        object value;
        try
        {

            string fileName = Path.GetFileName(fb_master.PostedFile.FileName);
            string fileExtension = Path.GetExtension(fb_master.PostedFile.FileName);
            string folder = ConfigurationManager.AppSettings["TargetFiles"];
            string fileLocation = ConfigurationManager.AppSettings["TargetFiles"]+System.DateTime.Today.ToString("dd-MMyyyy")+"_"+ fileName;
            DirectoryInfo dir = new DirectoryInfo(folder);
            if (!dir.Exists)
                dir.Create();

            fb_master.SaveAs(fileLocation);

            if (fb_master.HasFile)
            {
                //Check whether file extension is xls or xslx
                if (fileExtension == ".xls")
                {
                    connectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + fileLocation + ";Extended Properties=\"Excel 8.0;HDR=Yes;IMEX=2\"";
                }
                else if (fileExtension == ".xlsx")
                {
                    //connectionString = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" + fileLocation + ";Extended Properties=\"Excel 12.0;HDR=Yes;IMEX=1\"";
                    connectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + fileLocation + ";Extended Properties=\"Excel 8.0;HDR=Yes;IMEX=1\"";
                }

                //Create OleDB Connection and OleDb Command
                OleDbConnection con = new OleDbConnection(connectionString);
                OleDbCommand cmd = new OleDbCommand();
                cmd.CommandType = System.Data.CommandType.Text;
                cmd.Connection = con;
                OleDbDataAdapter dAdapter = new OleDbDataAdapter(cmd);
                DataTable dtExcelRecords = new DataTable();
                con.Open();
                DataTable dtExcelSheetName = con.GetOleDbSchemaTable(OleDbSchemaGuid.Tables, null);
                string getExcelSheetName = dtExcelSheetName.Rows[0]["Table_Name"].ToString();
                cmd.CommandText = "SELECT * FROM [" + getExcelSheetName + "] where Finyear is not null ";
                dAdapter.SelectCommand = cmd;
                dAdapter.Fill(dtExcelRecords);
                con.Close();
          }

        }
        catch (Exception ex)
        {
            UserMessage.ShowUserMessage("Excel file cannot be uploaded.please check the data in Excel file.It may contains Null values.");
            _gb.ErrorLog(ex.Message);
        }

Tuesday, 8 April 2014

Avoiding special characters in C# using javascript

 function isNumber(evt)
       {
                   evt = (evt) ? evt : window.event;
                   var charCode = (evt.which) ? evt.which : evt.keyCode;
                   if (charCode > 59 && charCode < 64)     // here m checking for < > ? characters only
                  {
                      return false;
                   }
                   return true;
        }


// Call this javascript function onkeypress event of the text box like -   onkeypress="return isNumber(event)"


Thursday, 20 February 2014

If any design issues in internet explorer because of version level , add the below code in Web.config

      <system.webServer>
    <httpProtocol>
      <customHeaders>
        <clear/>
   <!--This setting will make document mode to highest mode available we need have mode 8 and above-->
       <add name="X-UA-Compatible" value="IE=Edge"/>
      </customHeaders>
    </httpProtocol>
  </system.webServer>


Simple things effects a lot ... happy coding.........