How To Increase Width Excel Cell Size When I Export Excel File

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C#

When i export excel file with increase cell width because my data Not show completely into cell

How To implement In this code To Increase cell Width in cell File


My Export Excel Code Following :-


public ActionResult ExportToExcel(int MID)
{
MModule objModule = new MModule();
objModule.LoadModule(MID);
DatabaseObject objData = new DatabaseObject();
string file = DateTime.Now.Ticks + "_" + objModule.Title + ".xlsx";
System.IO.File.Copy(Server.MapPath("/Excel/Export/template.xlsx"), Server.MapPath("/Excel/Export/" + file));
string filename = Server.MapPath("/Excel/Export/" + file);
objData.Query = "SELECT * FROM " + objModule.TableName + "";
DataTable dtReport = objData.GetTable();
System.Data.OleDb.OleDbConnection con = new System.Data.OleDb.OleDbConnection("Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" + filename + ";Mode=ReadWrite;Extended Properties=\"Excel 12.0 Xml;Readonly=False;IMEX=0;\"");

con.Open();
System.Data.OleDb.OleDbCommand cmd = con.CreateCommand();
string tableString = "";
string ColString = "";
for (int i = 0; i < dtReport.Columns.Count; i++)
{
tableString += "[" + dtReport.Columns[i].Caption + "] varchar(255),";
ColString += "[" + dtReport.Columns[i].Caption + "],";
}
tableString = tableString.Substring(0, tableString.Length - 1);
try
{
ColString = ColString.Substring(0, ColString.Length - 1);

//***************** Create Excel Sheet Table *********************//

cmd.CommandText = "CREATE TABLE ["+ objModule.Title +"] ( " + tableString + ");";
cmd.ExecuteNonQuery();

string ValString = "";
for (int j = 0; j < dtReport.Rows.Count; j++)
{
ValString = "";
for (int i = 0; i < dtReport.Columns.Count; i++)
{
ValString += "'" + dtReport.Rows[j][i] + "',";
}
ValString = ValString.Substring(0, ValString.Length - 1);
cmd.CommandText = "Insert Into ["+ objModule.Title +"] (" + ColString + ") Values (" + ValString + ");";
cmd.ExecuteNonQuery();
}


cmd.Dispose();
con.Dispose();
con.Close();

Microsoft.Office.Interop.Excel.Application excelApplication = new Microsoft.Office.Interop.Excel.Application();
Microsoft.Office.Interop.Excel.Workbook workbook = excelApplication.Workbooks.Open(filename,
Type.Missing, Type.Missing, Type.Missing, Type.Missing,
Type.Missing, Type.Missing, Type.Missing, Type.Missing,
Type.Missing, Type.Missing, Type.Missing, Type.Missing,
Type.Missing, Type.Missing);

excelApplication.DisplayAlerts = false;
((Microsoft.Office.Interop.Excel.Worksheet)workbook.Worksheets[1]).Delete();
workbook.Close(true, filename, null);
excelApplication.DisplayAlerts = true;
}
catch (Exception ex)
{
}
//return File(filename, "application/msexcel");
return File(filename, "application/x-excel", DateTime.Now.Ticks + "_Report.xlsx");
}