调用存储过程

Any Hints where the error could be while trying to call a stored project.It returns a null whereby it should contain a ID.SqlConnection con = new SqlConnection(@"Data Source=FNUEXCPC01\SQLSERVER2005;Initial Catalog=Record_Management;Integrated Security=True");con.Open();SqlCommand cmdselect = new SqlCommand("RecordManagement_getcollegeid", con);cmdselect.CommandType = CommandType.StoredProcedure;cmdselect.CommandText = "RecordManagement_getcollegeid";ddlistschools.SelectedValue);cmdselect.Parameters.Add(new SqlParameter("@College",ddlistschools.SelectedValue));cmdselect.Parameters["@OutRes"].Direction = ParameterDirection.Output;int Results;Results = (int)cmdselect.ExecuteScalar();Results should contain a ID 解决方案 这篇关于调用存储过程的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持！ 上岸，阿里云！