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