时间:2021-07-01 10:21:17 帮助过:40人阅读
/// summary /// 取 所有 表名 /// /summary /// returns/returns public Liststring GetTableNameList() { Liststring list = new Liststring(); OleDbConnection Conn = new OleDbConnection(ConnStr); try { if (Conn.State == ConnectionState.Closed) C
///
/// 取所有表名
///
///
public List GetTableNameList()
{
List list = new List();
OleDbConnection Conn = new OleDbConnection(ConnStr);
try
{
if (Conn.State == ConnectionState.Closed)
Conn.Open();
DataTable dt = Conn.GetSchema("Tables");
foreach (DataRow row in dt.Rows)
{
if (row[3].ToString() == "TABLE")
list.Add(row[2].ToString());
}
return list;
}
catch (Exception e)
{ throw e; }
finally { if (Conn.State == ConnectionState.Open) Conn.Close(); Conn.Dispose(); }
}
///
/// 取指定表所有字段名称
///
///
public List GetTableFieldNameList(string TableName)
{
List list = new List();
OleDbConnection Conn = new OleDbConnection(ConnStr);
try
{
if (Conn.State == ConnectionState.Closed)
Conn.Open();
using (OleDbCommand cmd = new OleDbCommand())
{
cmd.CommandText = "SELECT TOP 1 * FROM [" + TableName + "]";
cmd.Connection = Conn;
OleDbDataReader dr = cmd.ExecuteReader();
for (int i = 0; i < dr.FieldCount; i++)
{
list.Add(dr.GetName(i));
}
}
return list;
}
catch (Exception e)
{ throw e; }
finally
{
if (Conn.State == ConnectionState.Open)
Conn.Close();
Conn.Dispose();
}
}