C# 如何使用ADO从MS Access数据库提取表名
我尝试使用以下代码:C# 如何使用ADO从MS Access数据库提取表名,c#,sql,database,ado.net,C#,Sql,Database,Ado.net,我尝试使用以下代码: OleDbConnection c = new OleDbConnection(con); string SQLS = "SELECT MSysObjects.Name FROM MSysObjects WHERE MSysObjects.Name Not Like 'MsyS*' AND MSysObjects.Type=1 ORDER BY MSysObjects.Name"; OleDbDataAdapter da = new OleDbDataAdapter(SQL
OleDbConnection c = new OleDbConnection(con);
string SQLS = "SELECT MSysObjects.Name FROM MSysObjects WHERE MSysObjects.Name Not Like 'MsyS*' AND MSysObjects.Type=1 ORDER BY MSysObjects.Name";
OleDbDataAdapter da = new OleDbDataAdapter(SQLS, c);
DataTable dt = new DataTable();
da.Fill(dt);
dataGridView1.DataSource = dt;
但我有一个例外:
无法读取记录;对“MSysObjects”没有读取权限
现在,我需要将整个ms access数据库传输到mysql programmaticaly,因此我需要数据库名称。我如何克服这个错误 您可以这样访问它:
OleDbConnection conn =
new OleDbConnection(
"Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" +
"C:\\phycoaide\\phycoaide.mdb;Persist Security Info=False;");
// retrieving schema for a single table
OleDbCommand cmd = new OleDbCommand("taxa", conn);
cmd.CommandType = CommandType.TableDirect;
conn.Open();
OleDbDataReader reader =
cmd.ExecuteReader(CommandBehavior.SchemaOnly);
DataTable schemaTable = reader.GetSchemaTable();
reader.Close();
conn.Close();
有关更多详细信息,请参阅
编辑:
好的,然后您可以使用如下解决方案检索所有表:然后循环遍历它们
using System;
using System.Data;
using System.Data.OleDb;
public class DatabaseInfo {
public static void Main () {
String connect = "Provider=Microsoft.JET.OLEDB.4.0;data source=.\\Employee.mdb";
OleDbConnection con = new OleDbConnection(connect);
con.Open();
Console.WriteLine("Made the connection to the database");
Console.WriteLine("Information for each table contains:");
DataTable tables = con.GetOleDbSchemaTable(OleDbSchemaGuid.Tables,new object[]{null,null,null,"TABLE"});
Console.WriteLine("The tables are:");
foreach(DataRow row in tables.Rows)
Console.Write(" {0}", row[2]);
con.Close();
}
}
///取自
你可以试试。此软件包支持。如果我不知道数据库的表是什么,我将使用此软件包。很高兴我能提供帮助。如果它真的有用,请将此标记为答案!:-但是我寻求不同的答案…:我假设我不知道这个数据库中表的名称