/// <summary>
 /// Initializes new instance of SpreadsheetCell class using specified content and custom information
 /// </summary>
 /// <param name="content">String used to initialize the value of cell content</param>
 /// <param name="table">Parent DataTable of cell</param>
 /// <param name="tag">Object value used to initialize cell custom information</param>
 public SpreadsheetCell(string content, DataTable table, SpreadsheetCellCustomInfo tag)
 {
     this.Table   = table;
     this.Tag     = tag;
     this.Content = content ?? string.Empty;
 }
 /// <summary>
 /// Initializes new instance of SpreadsheetCell class using specified content and custom information
 /// </summary>
 /// <param name="content">String used to initialize the value of cell content</param>
 /// <param name="table">Parent DataTable of cell</param>
 /// <param name="tag">Object value used to initialize cell custom information</param>
 public SpreadsheetCell(string content, DataTable table, SpreadsheetCellCustomInfo tag)
 {
     this.Table = table;
     this.Tag = tag;
     this.Content = content ?? string.Empty;
 }