Dot(.) Net Learning

PREVENTING BACK SPACE IN BROWSER       Place the javascript code in header of each page , #target in Code refers to a text box target"  style="display:none;"/>     Place this text box in  Body Section of Html Page                       On pressing back button the page focus goes to this text box

To Prevent Back in Browser    PageName-Name of page to remove back

Export To Excel  private void ToExcel()         {             Warning[] warnings;             string[] streamIds;             string mimeType = string.Empty;             string encoding = string.Empty;             string extension = string.Empty;             string HIJRA_TODAY = "01/10/1435";             byte[] bytes = ReportViewer1.LocalReport.Render(          "Excel",          null,          out mimeType,          out encoding,          out extension,          out streamIds,          out warnings);             Response.Buffer ...

Email Validations                                                 Display="Dynamic" ValidationExpression="^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$"> Check E-mail PinCode                                                               ErrorMessage="Only six digit values" Font-Size="XX-Small" ValidationExpression="^[0-9]{6,6}$" ValidationGroup="grp2">                                                             Land Line No                               ...

STREAM WRITER IN C#        A stream writer is used to append or to overwrite a text over another.                                             streamwriter stwriter =new streamwriter( document.txt );        It creates  a text named document.       If such a document already exists it replaces the previous one.       stwriter .Flush() :   It is used to flush or to clear a particular file or data       stwriter.Close() : It is used to close a particular stream.

   CURSORS IN C#      Cursor is the icon which moves when we move mouse on a screen in a page in a c# .      1,To set a what to do when a cursor is over a button or a text box.         button1. Cursor =  Cursors .Hand;        listBox1. Cursor = Cursors .No;                     

To Show a SerialNo in  a FlexGrid:        private void gridindex( C1FlexGrid flxName)             {                 for ( int i = 1; i < flxName.Rows.Count - 1; i++)                 {                     if (flxName[i, "SCode" ] + "" == "" ) { break ; }                     flxName[i, "SL NO" ] = i;                     counterflag = i;                 }    ...