protected void btnSave_Click(object sender, EventArgs e)
{
string strErr = "";
if (!PageValidate.IsNumber(txtYear.Text))
{
strErr += "Year格式错误！\\n";
}
if (!PageValidate.IsDateTime(txtStartDate.Text))
{
strErr += "StartDate格式错误！\\n";
}
if (!PageValidate.IsDateTime(txtEndDate.Text))
{
strErr += "EndDate格式错误！\\n";
}
if (strErr != "")
{
MessageBox.Show(this, strErr);
return;
}
int Year = int.Parse(this.txtYear.Text);
DateTime StartDate = DateTime.Parse(this.txtStartDate.Text);
DateTime EndDate = DateTime.Parse(this.txtEndDate.Text);
WebDemo.Model.WebDemo.HeatingCycle model = new WebDemo.Model.WebDemo.HeatingCycle();
model.Year = Year;
model.StartDate = StartDate;
model.EndDate = EndDate;
WebDemo.BLL.WebDemo.HeatingCycle bll = new WebDemo.BLL.WebDemo.HeatingCycle();
bll.Add(model);
Maticsoft.Common.MessageBox.ShowAndRedirect(this, "保存成功！", "add.aspx");
}
/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(WebDemo.Model.WebDemo.HeatingCycle model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update HeatingCycle set ");
strSql.Append("Year=@Year,");
strSql.Append("StartDate=@StartDate,");
strSql.Append("EndDate=@EndDate");
strSql.Append(" where ID=@ID");
SqlParameter[] parameters =
{
new SqlParameter("@Year", SqlDbType.Int, 4),
new SqlParameter("@StartDate", SqlDbType.DateTime),
new SqlParameter("@EndDate", SqlDbType.DateTime),
new SqlParameter("@ID", SqlDbType.Int, 4)
};
parameters[0].Value = model.Year;
parameters[1].Value = model.StartDate;
parameters[2].Value = model.EndDate;
parameters[3].Value = model.ID;
int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 增加一条数据
/// </summary>
public int Add(WebDemo.Model.WebDemo.HeatingCycle model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into HeatingCycle(");
strSql.Append("Year,StartDate,EndDate)");
strSql.Append(" values (");
strSql.Append("@Year,@StartDate,@EndDate)");
strSql.Append(";select @@IDENTITY");
SqlParameter[] parameters =
{
new SqlParameter("@Year", SqlDbType.Int, 4),
new SqlParameter("@StartDate", SqlDbType.DateTime),
new SqlParameter("@EndDate", SqlDbType.DateTime)
};
parameters[0].Value = model.Year;
parameters[1].Value = model.StartDate;
parameters[2].Value = model.EndDate;
object obj = DbHelperSQL.GetSingle(strSql.ToString(), parameters);
if (obj == null)
{
return(0);
}
else
{
return(Convert.ToInt32(obj));
}
}
private void ShowInfo(int ID)
{
WebDemo.BLL.WebDemo.HeatingCycle bll = new WebDemo.BLL.WebDemo.HeatingCycle();
WebDemo.Model.WebDemo.HeatingCycle model = bll.GetModel(ID);
this.lblID.Text = model.ID.ToString();
this.txtYear.Text = model.Year.ToString();
this.txtStartDate.Text = model.StartDate.ToString();
this.txtEndDate.Text = model.EndDate.ToString();
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public WebDemo.Model.WebDemo.HeatingCycle DataRowToModel(DataRow row)
{
WebDemo.Model.WebDemo.HeatingCycle model = new WebDemo.Model.WebDemo.HeatingCycle();
if (row != null)
{
if (row["ID"] != null && row["ID"].ToString() != "")
{
model.ID = int.Parse(row["ID"].ToString());
}
if (row["Year"] != null && row["Year"].ToString() != "")
{
model.Year = int.Parse(row["Year"].ToString());
}
if (row["StartDate"] != null && row["StartDate"].ToString() != "")
{
model.StartDate = DateTime.Parse(row["StartDate"].ToString());
}
if (row["EndDate"] != null && row["EndDate"].ToString() != "")
{
model.EndDate = DateTime.Parse(row["EndDate"].ToString());
}
}
return(model);
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public WebDemo.Model.WebDemo.HeatingCycle GetModel(int ID)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 ID,Year,StartDate,EndDate from HeatingCycle ");
strSql.Append(" where ID=@ID");
SqlParameter[] parameters =
{
new SqlParameter("@ID", SqlDbType.Int, 4)
};
parameters[0].Value = ID;
WebDemo.Model.WebDemo.HeatingCycle model = new WebDemo.Model.WebDemo.HeatingCycle();
DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
return(DataRowToModel(ds.Tables[0].Rows[0]));
}
else
{
return(null);
}
}
