row and column in grid

Code Snippet

RowDefinition rowDef = new RowDefinition();

rowDef.Height = new GridLength(100);

grid.RowDefinitions.Add(rowDef);

rowDef = new RowDefinition();

rowDef.Height = new GridLength(2, GridUnitType.Star);

grid.RowDefinitions.Add(rowDef);

rowDef = new RowDefinition();

rowDef.Height = GridLength.Auto;

grid.RowDefinitions.Add(rowDef);