This sample ASP.NET web application demonstrates how to change grid line width and color in the timetable CSS theme. It is based on the Timetable Tutorial for ASP.NET (C#, VB.NET).

You can download a sample Visual Studio project that includes a timetable ASP.NET application with C# and VB.NET source.

Sample Timetable Project Overview

  • weekly timetable

  • timetable CSS theme modified to show grid lines with 4px width

  • includes DayPilot Pro for ASP.NET WebForms Trial

  • timetable block editing (start and end time, name)

  • timetable records editing using drag and drop (creating and moving the 

  • SQL Server database

Requirements

  • .NET Framework 4.0 or higher

  • Visual Studio 2019 or higher (optional)

  • Microsoft SQL Server (Express) 

License

Licensed for testing and evaluation purposes. You can use the source code of the tutorial if you are a licensed user of DayPilot Pro for ASP.NET WebForms.

Generated Timetable CSS Theme

event calendar asp.net css theme

We will start with a new calendar theme created using the online CSS theme designer.

The sample theme is called "Timetable Big":

Modifications of the Timetable CSS Theme

asp.net timetable big theme

In order to increase the grid line width we need to modify the borders in the following CSS classes:

Timetable Grid Cell Class (timetable_cell_inner)

.timetable_big_cell_inner
{
  ...
  border-right: 4px solid #fff;
  border-bottom: 4px solid #fff;
  ...
}

Timerable Day Header Class (timetable_big_colheader_inner)

.timetable_big_colheader_inner
{
  ...
  border-right: 4px solid #fff;
  border-bottom: 4px solid #fff;
  ...
}

Block Header Cell Class (timetable_big_rowheader_inner)

.timetable_big_rowheader_inner
{
  ...
  border-right: 4px solid #fff;
  border-bottom: 4px solid #ffffff;
  ...
}

Upper-Left Corner of the Timetable (timetable_big_corner_inner)

.timetable_big_corner_inner
{
  ...
  border-right: 4px solid #fff;
  border-bottom: 4px solid  #fff;
  ...
}

Upper-Right Corner of the Timetable (timetable_big_cornerright_inner)

.timetable_big_cornerright_inner
{
  ...
  /* border-right: 1px solid #aaaaaa; */
  border-bottom: 4px solid  #fff;
  ...
}

Full CSS Theme

.timetable_big_main 
{
  border: 1px solid #aaaaaa;
}

.timetable_big_main, .timetable_big_main td 
{
  font-family: Tahoma, Arial, Helvetica, sans-serif;
  font-size: 12px;
}

.timetable_big_event { 
}

.timetable_big_event_inner { 
  position: absolute;
  overflow: hidden;
  left: 0px;
  right: 0px;
  top: 0px;
  bottom: 0px;
  margin: 0px;
  color: #666666;
  background-color: #ffffff;
  background: -webkit-gradient(linear, left top, left bottom, from(#ffffff), to(#fafafa));  
  background: -webkit-linear-gradient(top, #ffffff 0%, #fafafa);
  background: -moz-linear-gradient(top, #ffffff 0%, #fafafa);
  background: -ms-linear-gradient(top, #ffffff 0%, #fafafa);
  background: -o-linear-gradient(top, #ffffff 0%, #fafafa);
  background: linear-gradient(top, #ffffff 0%, #fafafa);
  filter: progid:DXImageTransform.Microsoft.Gradient(startColorStr="#ffffff", endColorStr="#fafafa");
  padding: 2px;
  border: 1px solid #cccccc;
}

.timetable_big_alldayevent { 
}

.timetable_big_alldayevent_inner { 
  position: absolute;
  overflow: hidden;
  left: 1px;
  right: 0px;
  top: 1px;
  bottom: 0px;
  margin: 0px;
  color: #666666;
  background-color: #ffffff;
  background: -webkit-gradient(linear, left top, left bottom, from(#ffffff), to(#fafafa));  
  background: -webkit-linear-gradient(top, #ffffff 0%, #fafafa);
  background: -moz-linear-gradient(top, #ffffff 0%, #fafafa);
  background: -ms-linear-gradient(top, #ffffff 0%, #fafafa);
  background: -o-linear-gradient(top, #ffffff 0%, #fafafa);
  background: linear-gradient(top, #ffffff 0%, #fafafa);
  filter: progid:DXImageTransform.Microsoft.Gradient(startColorStr="#ffffff", endColorStr="#fafafa");
  padding: 2px;
  border: 1px solid #cccccc;
  text-align: left;
}

.timetable_big_alldayheader_inner
{
  text-align: center; 
  position: absolute;
  top: 0px;
  left: 0px;
  bottom: 0px;
  right: 0px;
  border-right: 1px solid #aaaaaa;
  border-bottom: 1px solid  #aaaaaa;
  color: #eeeeee;
  background: #666666;
  background: -webkit-gradient(linear, left top, left bottom, from(#686868), to(#646464));
  background: -webkit-linear-gradient(top, #686868 0%, #646464);
  background: -moz-linear-gradient(top, #686868 0%, #646464);
  background: -ms-linear-gradient(top, #686868 0%, #646464);
  background: -o-linear-gradient(top, #686868 0%, #646464);
  background: linear-gradient(top, #686868 0%, #646464);
  filter: progid:DXImageTransform.Microsoft.Gradient(startColorStr="#686868", endColorStr="#646464");
}

.timetable_big_colheader_inner
{
  text-align: center; 
  position: absolute;
  top: 0px;
  left: 0px;
  bottom: 0px;
  right: 0px;
  border-right: 4px solid #fff;
  border-bottom: 4px solid #fff;
  padding: 4px;
  color: #eeeeee;
  background: #666666;
  background: -webkit-gradient(linear, left top, left bottom, from(#686868), to(#646464));
  background: -webkit-linear-gradient(top, #686868 0%, #646464);
  background: -moz-linear-gradient(top, #686868 0%, #646464);
  background: -ms-linear-gradient(top, #686868 0%, #646464);
  background: -o-linear-gradient(top, #686868 0%, #646464);
  background: linear-gradient(top, #686868 0%, #646464);
  filter: progid:DXImageTransform.Microsoft.Gradient(startColorStr="#686868", endColorStr="#646464");
}

.timetable_big_rowheader_inner
{
  font-size: 12pt;
  
  text-align: right; 
  position: absolute;
  top: 0px;
  left: 0px;
  bottom: 0px;
  right: 0px;
  border-right: 4px solid #fff;
  border-bottom: 4px solid #ffffff;
  color: #eeeeee;
  background: #666666;
  background: -webkit-gradient(linear, left top, right top, from(#686868), to(#646464));
  background: -webkit-linear-gradient(left, #686868 0%, #646464);
  background: -moz-linear-gradient(left, #686868 0%, #646464);
  background: -ms-linear-gradient(left, #686868 0%, #646464);
  background: -o-linear-gradient(left, #686868 0%, #646464);
  background: linear-gradient(left, #686868 0%, #646464);
  filter: progid:DXImageTransform.Microsoft.Gradient(startColorStr="#686868", endColorStr="#646464", GradientType=1);
}

.timetable_big_rowheader_minutes 
{
  font-size:10px; 
  vertical-align: super; 
  padding-left: 2px;
  padding-right: 2px;
}

.timetable_big_corner_inner
{
  position: absolute;
  top: 0px;
  left: 0px;
  bottom: 0px;
  right: 0px;
  border-right: 4px solid #fff;
  border-bottom: 4px solid  #fff;
  color: #eeeeee;
  background: #666666;
  background: -webkit-gradient(linear, left top, right top, from(#686868), to(#646464));
  background: -webkit-linear-gradient(left, #686868 0%, #646464);
  background: -moz-linear-gradient(left, #686868 0%, #646464);
  background: -ms-linear-gradient(left, #686868 0%, #646464);
  background: -o-linear-gradient(left, #686868 0%, #646464);
  background: linear-gradient(left, #686868 0%, #646464);
  filter: progid:DXImageTransform.Microsoft.Gradient(startColorStr="#686868", endColorStr="#646464", GradientType=1);
}

.timetable_big_cornerright_inner
{
  position: absolute;
  top: 0px;
  left: 0px;
  bottom: 0px;
  right: 0px;
  /* border-right: 1px solid #aaaaaa; */
  border-bottom: 4px solid  #fff;
  color: #eeeeee;
  background: #666666;
  background: -webkit-gradient(linear, left top, left bottom, from(#686868), to(#646464));
  background: -webkit-linear-gradient(top, #686868 0%, #646464);
  background: -moz-linear-gradient(top, #686868 0%, #646464);
  background: -ms-linear-gradient(top, #686868 0%, #646464);
  background: -o-linear-gradient(top, #686868 0%, #646464);
  background: linear-gradient(top, #686868 0%, #646464);
  filter: progid:DXImageTransform.Microsoft.Gradient(startColorStr="#686868", endColorStr="#646464");
}

.timetable_big_rowheader_inner {
  padding: 2px;
}

.timetable_big_cell_inner
{
  position: absolute;
  top: 0px;
  left: 0px;
  bottom: 0px;
  right: 0px;
  border-right: 4px solid #fff;
  border-bottom: 4px solid #fff;
  background: #6d9eeb;
}

.timetable_big_cell_business .timetable_big_cell_inner {
  background: #6d9eeb;
}

.timetable_big_message 
{
  padding: 10px;
  opacity: 0.9;
  filter: alpha(opacity=90);
  color: #ffffff;
  background: #ffa216;
}

.timetable_big_shadow_inner 
{
  background-color: #666666;
  opacity: 0.5;
  filter: alpha(opacity=50);
  height: 100%;
  -moz-border-radius: 5px;
  -webkit-border-radius: 5px;
  border-radius: 5px;
}