创建一个DataTable,并为之添加数据(自定义DataTable)

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//创建一个DataTable,并为之添加数据(自定义DataTable)
DataTable dt=new DataTable("cart");
DataColumn dc1=new DataColumn("prizename",Type.GetType("System.String"));
DataColumn dc2=new DataColumn("point",Type.GetType("System.Int16"));
DataColumn dc3=new DataColumn("number",Type.GetType("System.Int16"));
DataColumn dc4=new DataColumn("totalpoint",Type.GetType("System.Int64"));
DataColumn dc5=new DataColumn("prizeid",Type.GetType("System.String"));
dt.Columns.Add(dc1);
dt.Columns.Add(dc2);
dt.Columns.Add(dc3);
dt.Columns.Add(dc4);
dt.Columns.Add(dc5);

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 for(int i=0;i<10;i++)
{
DataRow dr=dt.NewRow();
dr["prizename"]="娃娃";
dr["point"]=10;
dr["number"]=1;
dr["totalpoint"]=10;
dr["prizeid"]="001";
dt.Rows.Add(dr);
}

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DataRow dr=new DataRow();
..
dt.Rows.Add(dr);

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DataRow dr=dt.NewRow();
dr["prizename"]="娃娃";
dr["point"]=10;
dr["number"]=1;
dr["totalpoint"]=10;
dr["prizeid"]="001";
for(int i=0;i<10;i++)
{
dt.Rows.Add(dr);
}

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//生成一个DataTable并赋给ViewState
private DataTable CreateDataTable()
{
DataTable table = new DataTable();
DataColumn colum;
colum = new DataColumn();
colum.DataType = System.Type.GetType("System.Int32");
colum.ColumnName = "ProductType";
table.Columns.Add(colum);
colum = new DataColumn();
colum.DataType = System.Type.GetType("System.Int32");
colum.ColumnName = "ProductSpecID";
table.Columns.Add(colum);
colum = new DataColumn();
colum.DataType = System.Type.GetType("System.String");
colum.ColumnName = "ProductCode";
table.Columns.Add(colum);
ViewState["detailtable"] = table; //存放table
return table;
}

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DataTable table = ViewState["detailtable"] as DataTable;