本文实例讲述了asp.net中IDataParameter调用存储过程的实现方法，是asp.net数据库程序设计中非常实用的技巧。分享给大家供大家参考。
具体实现方法如下：
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public string GenerateExamePaper(string paperType, string driverID, string MacAddr)
{
int i;
IDataParameter[] iData = new SqlParameter[4];
iData[0] = new SqlParameter("@paperType", paperType);
iData[1] = new SqlParameter("@driverID", driverID);
iData[2] = new SqlParameter("@MacAddr", MacAddr);
iData[3] = new SqlParameter("@sReturn", SqlDbType.Char, 50, ParameterDirection.Output, false, 0, 0, string.Empty, DataRowVersion.Default,null);
string aaa = "";
i= DbHelperSQL.RunProcedureParOut("Pro_GenerateExamePaper", iData, out aaa).ToString();
return aaa;
}
/// <summary>
/// 执行存储过程，返回影响的行数
/// </summary>
/// <param name="storedProcName">存储过程名</param>
/// <param name="parameters">存储过程参数</param>
/// <param name="rowsAffected">影响的行数</param>
/// <param name="rowsAffected">返回output值</param>
/// <returns></returns>
public static int RunProcedure(string storedProcName, IDataParameter[] parameters, out int rowsAffected,out str)
{
using (SqlConnection connection = new SqlConnection(connectionString))
{
int result;
connection.Open();
SqlCommand command = BuildIntCommand(connection, storedProcName, parameters);
rowsAffected = command.ExecuteNonQuery();
result = (int)command.Parameters["ReturnValue"].Value;
str= (int)command.Parameters["@sReturn"].Value;
return result;
}
}
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相信本文所述对大家的asp.net程序设计有一定的借鉴价值。