Multiply Time in C#

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export to excel in asp.net multiple sheets

Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin-top:0in; mso-para-margin-right:0in; mso-para-margin-bottom:10.0pt; mso-para-margin-left:0in;...

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distance between two latitude longitude points in c#

/// Loc A Longitude/// Loc A Latitude/// Loc B Longitude/// Loc B Latitude/// 1=Km,2=mtr/// public double distance(doubleX1,double Y1,doubleX2,double Y2,intFlg){  double R = 6371;  double dLat = this.toRadian(Y2 - Y1);  double dLon = this.toRadian(X2 - X1);  double a = Math.Sin(dLat / 2) * Math.Sin(dLat / 2) +  Math.Cos(this.toRadian(Y1)) * Math.Cos(this.toRadian(Y2)) * Math.Sin(dLon / 2) * Math.Sin(dLon / 2);  double c = 2 * Math.Asin(Math.Min(1, Math.Sqrt(a)));  double d = R * c;  switch (Flg)  {      case 1:                 //km            return d;         ...

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