/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(LearnSite.Model.DelStudents model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update DelStudents set ");
strSql.Append("Dnum=@Dnum,");
strSql.Append("Dyear=@Dyear,");
strSql.Append("Dgrade=@Dgrade,");
strSql.Append("Dclass=@Dclass,");
strSql.Append("Dname=@Dname,");
strSql.Append("Dsex=@Dsex,");
strSql.Append("Daddress=@Daddress,");
strSql.Append("Dphone=@Dphone,");
strSql.Append("Dparents=@Dparents,");
strSql.Append("Dheadtheacher=@Dheadtheacher");
strSql.Append(" where Did=@Did");
SqlParameter[] parameters =
{
new SqlParameter("@Dnum", SqlDbType.NVarChar, 50),
new SqlParameter("@Dyear", SqlDbType.Int, 4),
new SqlParameter("@Dgrade", SqlDbType.Int, 4),
new SqlParameter("@Dclass", SqlDbType.Int, 4),
new SqlParameter("@Dname", SqlDbType.NVarChar, 50),
new SqlParameter("@Dsex", SqlDbType.NVarChar, 2),
new SqlParameter("@Daddress", SqlDbType.NVarChar, 200),
new SqlParameter("@Dphone", SqlDbType.NVarChar, 50),
new SqlParameter("@Dparents", SqlDbType.NVarChar, 50),
new SqlParameter("@Dheadtheacher", SqlDbType.NVarChar, 50),
new SqlParameter("@Did", SqlDbType.Int, 4)
};
parameters[0].Value = model.Dnum;
parameters[1].Value = model.Dyear;
parameters[2].Value = model.Dgrade;
parameters[3].Value = model.Dclass;
parameters[4].Value = model.Dname;
parameters[5].Value = model.Dsex;
parameters[6].Value = model.Daddress;
parameters[7].Value = model.Dphone;
parameters[8].Value = model.Dparents;
parameters[9].Value = model.Dheadtheacher;
parameters[10].Value = model.Did;
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 LearnSite.Model.DelStudents GetModel(int Did)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 Did,Dnum,Dyear,Dgrade,Dclass,Dname,Dsex,Daddress,Dphone,Dparents,Dheadtheacher from DelStudents ");
strSql.Append(" where Did=@Did");
SqlParameter[] parameters =
{
new SqlParameter("@Did", SqlDbType.Int, 4)
};
parameters[0].Value = Did;
LearnSite.Model.DelStudents model = new LearnSite.Model.DelStudents();
DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
if (ds.Tables[0].Rows[0]["Did"] != null && ds.Tables[0].Rows[0]["Did"].ToString() != "")
{
model.Did = int.Parse(ds.Tables[0].Rows[0]["Did"].ToString());
}
if (ds.Tables[0].Rows[0]["Dnum"] != null && ds.Tables[0].Rows[0]["Dnum"].ToString() != "")
{
model.Dnum = ds.Tables[0].Rows[0]["Dnum"].ToString();
}
if (ds.Tables[0].Rows[0]["Dyear"] != null && ds.Tables[0].Rows[0]["Dyear"].ToString() != "")
{
model.Dyear = int.Parse(ds.Tables[0].Rows[0]["Dyear"].ToString());
}
if (ds.Tables[0].Rows[0]["Dgrade"] != null && ds.Tables[0].Rows[0]["Dgrade"].ToString() != "")
{
model.Dgrade = int.Parse(ds.Tables[0].Rows[0]["Dgrade"].ToString());
}
if (ds.Tables[0].Rows[0]["Dclass"] != null && ds.Tables[0].Rows[0]["Dclass"].ToString() != "")
{
model.Dclass = int.Parse(ds.Tables[0].Rows[0]["Dclass"].ToString());
}
model.Dname = ds.Tables[0].Rows[0]["Dname"].ToString();
model.Dsex = ds.Tables[0].Rows[0]["Dsex"].ToString();
model.Daddress = ds.Tables[0].Rows[0]["Daddress"].ToString();
model.Dphone = ds.Tables[0].Rows[0]["Dphone"].ToString();
model.Dparents = ds.Tables[0].Rows[0]["Dparents"].ToString();
model.Dheadtheacher = ds.Tables[0].Rows[0]["Dheadtheacher"].ToString();
return(model);
}
else
{
return(null);
}
}
/// <summary>
/// 增加一条数据
/// </summary>
public int Add(LearnSite.Model.DelStudents model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into DelStudents(");
strSql.Append("Dnum,Dyear,Dgrade,Dclass,Dname,Dsex,Daddress,Dphone,Dparents,Dheadtheacher)");
strSql.Append(" values (");
strSql.Append("@Dnum,@Dyear,@Dgrade,@Dclass,@Dname,@Dsex,@Daddress,@Dphone,@Dparents,@Dheadtheacher)");
strSql.Append(";select @@IDENTITY");
SqlParameter[] parameters =
{
new SqlParameter("@Dnum", SqlDbType.NVarChar, 50),
new SqlParameter("@Dyear", SqlDbType.Int, 4),
new SqlParameter("@Dgrade", SqlDbType.Int, 4),
new SqlParameter("@Dclass", SqlDbType.Int, 4),
new SqlParameter("@Dname", SqlDbType.NVarChar, 50),
new SqlParameter("@Dsex", SqlDbType.NVarChar, 2),
new SqlParameter("@Daddress", SqlDbType.NVarChar, 200),
new SqlParameter("@Dphone", SqlDbType.NVarChar, 50),
new SqlParameter("@Dparents", SqlDbType.NVarChar, 50),
new SqlParameter("@Dheadtheacher", SqlDbType.NVarChar, 50)
};
parameters[0].Value = model.Dnum;
parameters[1].Value = model.Dyear;
parameters[2].Value = model.Dgrade;
parameters[3].Value = model.Dclass;
parameters[4].Value = model.Dname;
parameters[5].Value = model.Dsex;
parameters[6].Value = model.Daddress;
parameters[7].Value = model.Dphone;
parameters[8].Value = model.Dparents;
parameters[9].Value = model.Dheadtheacher;
object obj = DbHelperSQL.GetSingle(strSql.ToString(), parameters);
if (obj == null)
{
return(0);
}
else
{
return(Convert.ToInt32(obj));
}
}
