c# Parameters.Add
来源:百度知道 编辑:UC知道 时间:2024/06/25 11:16:18
c# Parameters.Add中具体如何使用不明白
SqlConnection nwindConn = new SqlConnection("Data Source=localhost;Integrated Security=SSPI;Initial Catalog=northwind");
SqlCommand salesCMD = new SqlCommand("SalesByCategory", nwindConn);
salesCMD.CommandType = CommandType.StoredProcedure;
SqlParameter myParm = salesCMD.Parameters.Add("@CategoryName", SqlDbType.NVarChar, 15);
myParm.Value = "Beverages";
nwindConn.Open();
SqlDataReader myReader = salesCMD.ExecuteReader();
Console.WriteLine("{0}, {1}", myReader.GetName(0), myReader.GetName(1));
while (myReader.Read())
{
Console.WriteLine("{0}, ${1}", myReader.GetString(0), myReader.GetDecimal(1));
}
myReader.Close();
nwindConn.Close();
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