/// <summary>
/// 增加一条数据
/// </summary>
public void Add(StudentMS.Model.Student model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into Student(");
strSql.Append("SNO,SName,SSex,SBirthday,DeptNO,SAge)");
strSql.Append(" values (");
strSql.Append("@SNO,@SName,@SSex,@SBirthday,@DeptNO,@SAge)");
SqlParameter[] parameters =
{
new SqlParameter("@SNO", SqlDbType.VarChar, 50),
new SqlParameter("@SName", SqlDbType.VarChar, 50),
new SqlParameter("@SSex", SqlDbType.VarChar, 2),
new SqlParameter("@SBirthday", SqlDbType.DateTime),
new SqlParameter("@DeptNO", SqlDbType.VarChar, 50),
new SqlParameter("@SAge", SqlDbType.Int, 4)
};
parameters[0].Value = model.SNO;
parameters[1].Value = model.SName;
parameters[2].Value = model.SSex;
parameters[3].Value = model.SBirthday;
parameters[4].Value = model.DeptNO;
parameters[5].Value = model.SAge;
DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
}
/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(StudentMS.Model.Student model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update Student set ");
strSql.Append("SName=@SName,");
strSql.Append("SSex=@SSex,");
strSql.Append("SBirthday=@SBirthday,");
strSql.Append("DeptNO=@DeptNO,");
strSql.Append("SAge=@SAge");
strSql.Append(" where SNO=@SNO ");
SqlParameter[] parameters =
{
new SqlParameter("@SNO", SqlDbType.VarChar, 50),
new SqlParameter("@SName", SqlDbType.VarChar, 50),
new SqlParameter("@SSex", SqlDbType.VarChar, 2),
new SqlParameter("@SBirthday", SqlDbType.DateTime),
new SqlParameter("@DeptNO", SqlDbType.VarChar, 50),
new SqlParameter("@SAge", SqlDbType.Int, 4)
};
parameters[0].Value = model.SNO;
parameters[1].Value = model.SName;
parameters[2].Value = model.SSex;
parameters[3].Value = model.SBirthday;
parameters[4].Value = model.DeptNO;
parameters[5].Value = model.SAge;
int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public StudentMS.Model.Student GetModel(string SNO)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 SNO,SName,SSex,SBirthday,DeptNO,SAge from Student ");
strSql.Append(" where SNO=@SNO ");
SqlParameter[] parameters =
{
new SqlParameter("@SNO", SqlDbType.VarChar, 50)
};
parameters[0].Value = SNO;
StudentMS.Model.Student model = new StudentMS.Model.Student();
DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
model.SNO = ds.Tables[0].Rows[0]["SNO"].ToString();
model.SName = ds.Tables[0].Rows[0]["SName"].ToString();
model.SSex = ds.Tables[0].Rows[0]["SSex"].ToString();
if (ds.Tables[0].Rows[0]["SBirthday"].ToString() != "")
{
model.SBirthday = DateTime.Parse(ds.Tables[0].Rows[0]["SBirthday"].ToString());
}
model.DeptNO = ds.Tables[0].Rows[0]["DeptNO"].ToString();
if (ds.Tables[0].Rows[0]["SAge"].ToString() != "")
{
model.SAge = int.Parse(ds.Tables[0].Rows[0]["SAge"].ToString());
}
return(model);
}
else
{
return(null);
}
}