例如如下代码:
DataSet ds=new DataSet();
ds.Tables.Add(new DataTable("orders"));
//这里的DataSet中的DataTable具有两列
ds.Tables[0].Columns.Add(new DataColumn("id"));
ds.Tables[0].Columns.Add(new DataColumn("number"));
//添加至数据集
for(int i=0;i<cForm.lv_cart.Items.Count;i++)
{
DataRowCollection rc;
DataRow myNewRow;
object[] rowVals = new object[2];
rc = ds.Tables[0].Rows;
rowVals[0] = cForm.lv_cart.Items[i].SubItems[1].Text;
rowVals[1] = cForm.lv_cart.Items[i].SubItems[0].Text;
myNewRow = rc.Add(rowVals);
}
DataSet ds=new DataSet();
ds.Tables.Add(new DataTable("orders"));
//这里的DataSet中的DataTable具有两列
ds.Tables[0].Columns.Add(new DataColumn("id"));
ds.Tables[0].Columns.Add(new DataColumn("number"));
//添加至数据集
for(int i=0;i<cForm.lv_cart.Items.Count;i++)
{
DataRowCollection rc;
DataRow myNewRow;
object[] rowVals = new object[2];
rc = ds.Tables[0].Rows;
rowVals[0] = cForm.lv_cart.Items[i].SubItems[1].Text;
rowVals[1] = cForm.lv_cart.Items[i].SubItems[0].Text;
myNewRow = rc.Add(rowVals);
}
DataSet ds=new DataSet();
ds.Tables.Add(new DataTable("orders"));
//这里的DataSet中的DataTable具有两列
ds.Tables[0].Columns.Add(new DataColumn("id"));
ds.Tables[0].Columns.Add(new DataColumn("number"));
//添加至数据集
for(int i=0;i<lv_cart.Items.Count;i++)
{
DataRow myNewRow;
object[] rowVals = new object[2];
myNewRow = ds.Tables[0].NewRow();
myNewRow[0] = lv_cart.Items[i].SubItems[0].Text;
myNewRow[1] = lv_cart.Items[i].SubItems[1].Text;
ds.Tables[0].Rows.Add(myNewRow);
}
DataColumn myColumn;
DataRow myRow; ds.DataSetName=lsvSave.Title;
for (int i=0;i<lsvSave.Columns.Count;i++)
{
myColumn = new DataColumn();
myColumn.DataType = System.Type.GetType("System.String");
myColumn.ColumnName = lsvSave.Columns[i].Text;
myDataTable.Columns.Add(myColumn);
}
for(int i = 0; i < lsvSave.Items.Count; i++)
{
myRow = myDataTable.NewRow();
myRow[0] = lsvSave.Items[i].Text;
for (int j=1;j<lsvSave.Items[i].SubItems.Count;j++)
{
myRow[j] = lsvSave.Items[i].SubItems[j].Text;
}
myDataTable.Rows.Add(myRow);
}