[英]How to run a sp from a C# code?
I am new to ADO.net. 我是ADO.net的新手。 I actually created a sample database and a sample stored procedure. 我实际上创建了一个示例数据库和一个示例存储过程。 I am very new to this concept. 我对这个概念很陌生。 I am not sure of how to make the connection to the database from a C# windows application. 我不确定如何从C#Windows应用程序建立与数据库的连接。 Please guide me with some help or sample to do the same. 请通过一些帮助或样品指导我进行相同的操作。
It sounds like you are looking for a tutorial on ADO.NET. 听起来您正在寻找有关ADO.NET的教程。
Here is one about straight ADO.NET. 这是有关ADO.NET的一种。
Here is another one about LINQ to SQL. 这是有关LINQ to SQL的另一篇文章。
Something like this... (assuming you'll be passing in a Person object) 像这样的东西(假设您将传入一个Person对象)
public int Insert(Person person)
{
SqlConnection conn = new SqlConnection(connStr);
conn.Open();
SqlCommand dCmd = new SqlCommand("InsertData", conn);
dCmd.CommandType = CommandType.StoredProcedure;
try
{
dCmd.Parameters.AddWithValue("@firstName", person.FirstName);
dCmd.Parameters.AddWithValue("@lastName", person.LastName);
dCmd.Parameters.AddWithValue("@age", person.Age);
return dCmd.ExecuteNonQuery();
}
catch
{
throw;
}
finally
{
dCmd.Dispose();
conn.Close();
conn.Dispose();
}
}
This is the usual pattern (it might be a bit different for different databases, Sql Server does not require you to specify the parameters in the command text, but Oracle does, and in Oracle, parameters are prefixed with : not with @) 这是通常的模式(对于不同的数据库,它可能会有所不同,Sql Server不需要您在命令文本中指定参数,但是Oracle则需要,并且在Oracle中,参数以:开头而不是@)
using(var command = yourConnection.CreateCommand())
{
command.CommandText = "YOUR_SP_CALL(@PAR1, @PAR2)";
command.CommandType = CommandType.StoredProcedure;
command.Parameters.Add(new OdbcParameter("@PAR1", "lol"));
command.Parameters.Add(new OdbcParameter("@PAR2", 1337));
command.ExecuteNonQuery();
}
Something like this: 像这样:
var connectionString = ConfigurationManager.ConnectionStrings["YourConnectionString"].ConnectionString;
var conn = new SqlConnection(connectionString);
var comm = new SqlCommand("YourStoredProc", conn) { CommandType = CommandType.StoredProcedure };
try
{
conn.Open();
// Create variables to match up with session variables
var CloseSchoolID = Session["sessCloseSchoolID"];
// SqlParameter for each parameter in the stored procedure YourStoredProc
var prmClosedDate = new SqlParameter("@prmClosedDate", closedDate);
var prmSchoolID = new SqlParameter("@prmSchoolID", CloseSchoolID);
// Pass the param values to YourStoredProc
comm.Parameters.Add(prmClosedDate);
comm.Parameters.Add(prmSchoolID);
comm.ExecuteNonQuery();
}
catch (SqlException sqlex)
{
}
finally
{
conn.Close();
}
Here is a good starting point http://support.microsoft.com/kb/310130 这是一个很好的起点http://support.microsoft.com/kb/310130
OdbcConnection cn;
OdbcCommand cmd;
OdbcParameter prm;
OdbcDataReader dr;
try {
//Change the connection string to use your SQL Server.
cn = new OdbcConnection("Driver={SQL Server};Server=servername;Database=Northwind;Trusted_Connection=Yes");
//Use ODBC call syntax.
cmd = new OdbcCommand("{call CustOrderHist (?)}", cn);
prm = cmd.Parameters.Add("@CustomerID", OdbcType.Char, 5);
prm.Value = "ALFKI";
cn.Open();
dr = cmd.ExecuteReader();
//List each product.
while (dr.Read())
Console.WriteLine(dr.GetString(0));
//Clean up.
dr.Close();
cn.Close();
}
catch (OdbcException o) {
MessageBox.Show(o.Message.ToString());
}
If using SQL Server: 如果使用SQL Server:
SqlConnection connection = new SqlCOnnection("Data Source=yourserver;Initial Catalog=yourdb;user id=youruser;passowrd=yourpassword");
SqlCommand cmd = new SqlCommand("StoredProcName", connection);
cmd.CommandType=StoredProcedureType.Command;
connection.Open();
cmd.ExecuteNonQuery();
connection.Close();
If not then replace Sql with Ole and change the connection string. 如果不是,则用Ole替换Sql并更改连接字符串。
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