通过行选择将数据库(.mdb/.accdb)导出到.csv [英] Export DataBase (.mdb / .accdb) to .csv with row selection
本文介绍了通过行选择将数据库(.mdb/.accdb)导出到.csv的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我必须做什么:
我需要加载数据库,搜索条目并导出选择的列.
I Need to load a Database, search entries and Export the selected columns.
问题:
我得到一个DataGrid
(没有DataGridView
)作为列表,并选择了数据库条目,但我无法获得任何解决方案来仅导出以;
作为分隔符的所选行.
I got a DataGrid
(no DataGridView
) for list and select the Database entries and I cant get any solution to Export only the selected rows with ;
as seperator.
编码我如何加载和列出数据库
using (OleDbConnection ODC = new OleDbConnection("Provider = Microsoft.Jet.OLEDB." + iOledDBVersion + "; Data Source = " + connectionString))
{
OleDbCommand ODCmd = new OleDbCommand(insertSQL);
ODCmd.Connection = ODC;
ODC.Open();
ODCmd.ExecuteNonQuery();
//Data-Adapter erstellen
OleDbDataAdapter OleDbDataAdapter_Temp = new OleDbDataAdapter(insertSQL, ODC);
OleDbCommandBuilder OleDbCommandBuilder_Temp = new OleDbCommandBuilder(OleDbDataAdapter_Temp);
//Daten aus der Datenbank in Dataset speichern
OleDbDataAdapter_Temp.Fill(DataSet_DB, sTabelle);
// Schleife für jede Tabelle
for (int i = 0; i < DataSet_DB.Tables.Count; i++)
{
// Setzt die Spalten der DB in das DataGrid
DataGrid_Table.DataContext = DataSet_DB.Tables[i].DefaultView;
}
}
是否存在导出这些行的正确方法?
推荐答案
有一个SelectedItems
属性,该属性将返回DataGrid
中的所选项目.在您的情况下,您可以将每个这样的项目都添加到DataRowView
,例如:
There is a SelectedItems
property that will return the selected items in the DataGrid
. In your case you could each such item to a DataRowView
, e.g.:
StringBuilder sb = new StringBuilder();
foreach(var selectedRow in DataGrid_Table.SelectedItems.OfType<DataRowView>())
{
foreach(DataColumn column in selectedRow.DataView.Table.Columns)
{
sb.Append(selectedRow[column.ColumnName] + ";");
}
sb.Append(Environment.NewLine);
}
string export = sb.ToString();
这篇关于通过行选择将数据库(.mdb/.accdb)导出到.csv的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!
查看全文