Presentation ppt = new Presentation();
   ppt.SlideSize.Type = SlideSizeType.Screen16x9;

double[] widths = new double[] { 100, 100, 100, 100, 100 };
   double[] heights = new double[] { 15, 15, 15, 15, 15 };
   ITable table = ppt.Slides[0].Shapes.AppendTable(80, 80, widths, heights);

 table.StylePreset = TableStylePreset.LightStyle1Accent2;

 string[,] data = new string[,]
{
   {"排名","姓名", "销售额","回款额","工号"},
   {"1","李彪","18270","18270","0011"},
   {"2","李娜","18105","18105","0025"},
   {"3","张丽","17987","17987","0008"},
   {"4","黄艳","17790","17790","0017"},
};

 ppt.SaveToFile("创建表格.pptx", FileFormat.Pptx2010);

Presentation ppt = new Presentation();
   ppt.LoadFromFile(@"C:\Users\Administrator\Desktop\创建表格.pptx");

ITable table = null;
   foreach (IShape shape in ppt.Slides[0].Shapes)
   {
    if (shape is ITable)
    {
     table = (ITable)shape;

 table.ColumnsList.RemoveAt(3, false;
     table.TableRows.RemoveAt(4, false;

 ppt.SaveToFile("删除行与列.pptx", FileFormat.Pptx2010);

Presentation ppt = new Presentation();
   ppt.LoadFromFile(@"C:\Users\Administrator\Desktop\创建表格.pptx");

List<IShape> tableShapes = new List<IShape>();

 foreach (IShape shape in ppt.Slides[0].Shapes)
   {
    if (shape is ITable)
    {
     tableShapes.Add(shape);
    }
   }

ppt.Slides[0].Shapes.Remove(tableShapes[0]);

ppt.SaveToFile("删除表格.pptx", FileFormat.Pptx2010);