WPF DEV gridcontrol当前项的数据导出为mdb文件

时间:2021-04-20 19:19:18
     /// <summary>
/// 导出为mdb
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnExportMdb_Click(object sender, RoutedEventArgs e)
{
try
{
using (DataTable dts = new DataTable())
{
#region 查找数据源
foreach (DevExpress.Data.DataColumnInfo item in user_GridControl.DataController.Columns)
dts.Columns.Add(item.Name.ToString().Trim().ToLower(), item.Type.Name.GetType());
foreach (System.Data.DataRowView item0 in user_GridControl.DataController.GetAllFilteredAndSortedRows())
{
DataRow row = dts.NewRow();
foreach (DataColumn item in dts.Columns)
row[item.ColumnName] = item0.Row[item.ColumnName];
dts.Rows.Add(row);
}
#endregion
#region 0.用户保存文件的路径
string paths = string.Empty;
Microsoft.Win32.SaveFileDialog sfd = new Microsoft.Win32.SaveFileDialog();
sfd.Filter = "mdb|*.mdb";
if (sfd.ShowDialog() == true)
{
#region 1.创建mdb文件(创建数据库)
paths = sfd.FileName;
if (string.IsNullOrWhiteSpace(paths))
return;
if (!CreateAccessDb(paths))
System.Windows.MessageBox.Show("创建表失败...");
//MessageBox.Show("创建成功");
#endregion
}
#endregion
#region 2.创建表
string Table = btn_text.Replace("(", "(").Replace(")", ")");
List<string> strList = new List<string>();
StringBuilder ziduan = new StringBuilder();
foreach (DataColumn item in dts.Columns)
{
ziduan.Append("," + item.ColumnName + " text");
}
strList.Add(string.Format("create table {0}({1})", Table, ziduan.ToString().Substring()));
MDBHelper.CreateCYTable(MDBHelper.CreateConnectionNew(paths), strList);
#endregion
#region 3.添加数据
StringBuilder Tableziduan = new StringBuilder();
foreach (DataColumn item in dts.Columns)
Tableziduan.Append("," + item.ColumnName); List<string> insertSQLs = new List<string>();
int k = ;
foreach (System.Data.DataRowView item0 in user_GridControl.DataController.GetAllFilteredAndSortedRows())
{
k++;
StringBuilder data = new StringBuilder();
foreach (DataColumn item in dts.Columns)
data.Append(",'" + ((item0.Row[item.ColumnName].ToString() == "" || item0.Row[item.ColumnName].ToString() == null) ? "" : item0.Row[item.ColumnName].ToString()) + "'");
insertSQLs.Add(string.Format("INSERT INTO {0}({1}) VALUES({2});", Table, Tableziduan.ToString().Substring(), data.ToString().Substring()));
if (k == )
{
int ExecuteSuccessfully0 = MDBHelper.ExcuteListSQL(insertSQLs, paths);
k = ;
insertSQLs.Clear();
}
}
int ExecuteSuccessfully1 = MDBHelper.ExcuteListSQL(insertSQLs, paths);
#endregion
}
MessageBox.Show("导出成功!");
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}