ADO.Net:从SQL Server表中获取表定义 [英] ADO.Net : Get table definition from SQL server tables
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问题描述
我使用C#编写返回有关表以下信息的方法: 列名,列类型,列大小,外键。
I am using C# to write a method that returns the following information about a table: column names, column types, column sizes, foreign keys.
有人点我在正确的方向上如何做到这一点?
Can someone point me in the right direction on how to accomplish this ?
推荐答案
要获取FK和模式,你应该能够使用:
To get the FK and Schema you should be able to use:
DA.FillSchema()
DS.Table("Name").PrimaryKey
,或致电 sp_fkey 使用证明以下
code段<一href="http://social.msdn.microsoft.com/Forums/en-US/winformsdatacontrols/thread/fad53def-d4d3-4a46-9fe2-f7d2f1251b42/"相对=nofollow>从和另一个链接
private void LoanSchema()
{
private List<String> tablesList = new List<String>();
private Dictionary<String, String> columnsDictionary = new Dictionary<String, String>();
string connectionString = "Integrated Security=SSPI;" +
"Persist Security Info = False;Initial Catalog=Northwind;" +
"Data Source = localhost";
SqlConnection connection = new SqlConnection();
connection.ConnectionString = connectionString;
connection.Open();
SqlCommand command = new SqlCommand();
command.Connection = connection;
command.CommandText = "exec sp_tables";
command.CommandType = CommandType.Text;
SqlDataReader reader = command.ExecuteReader();
if (reader.HasRows)
{
while (reader.Read())
tablesList.Add(reader["TABLE_NAME"].ToString());
}
reader.Close();
command.CommandText = "exec sp_columns @table_name = '" +
tablesList[0] + "'";
command.CommandType = CommandType.Text;
reader = command.ExecuteReader();
if (reader.HasRows)
{
while (reader.Read())
columnsDictionary.Add(reader["COLUMN_NAME"].ToString(), reader["TYPE_NAME"].ToString());
}
}
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