Asp Dot Net: DataColumn Overloads

ADO.NET —

DataColumn Overloads

Data column Overloads

DataTable dt = new DataTable("Customers");

DataColumn dc = new DataColumn {

ColumnName = "ID",

DataType = typeof(int),

AutoIncrement = true,

AutoIncrementSeed = 1,

AutoIncrementStep = 1,

AllowDBNull = false };
dt.Columns.Add(dc);

dt.Columns.Add("ProductName");

dt.Columns.Add("UnitPrice", typeof(Double));

dt.Columns.Add("Quantity", typeof(Int16));

dt.Columns.Add("Total", typeof(Double));

dt.Columns["Total"].Expression = "UnitPrice*Quantity";

dt.Columns.Add("Total", typeof(Double), "UnitPrice*Quantity" );