/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(UFB.Model.Question model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update Question set ");
//strSql.Append("category=@category,");
strSql.Append("question=@question,");
strSql.Append("solution=@solution,");
strSql.Append("time=@time");
strSql.Append(" where questionID=@questionID");
SqlParameter[] parameters =
{
//new SqlParameter("@category", SqlDbType.VarChar,64),
new SqlParameter("@question", SqlDbType.VarChar, 128),
new SqlParameter("@solution", SqlDbType.VarChar, 128),
new SqlParameter("@time", SqlDbType.SmallDateTime),
new SqlParameter("@questionID", SqlDbType.Int, 4)
};
//parameters[0].Value = model.category;
parameters[0].Value = model.question;
parameters[1].Value = model.solution;
parameters[2].Value = model.time;
parameters[3].Value = model.questionID;
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(UFB.Model.Question model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into Question(");
strSql.Append("category,question,solution,time)");
strSql.Append(" values (");
strSql.Append("@category,@question,@solution,@time)");
strSql.Append(";select @@IDENTITY");
SqlParameter[] parameters =
{
new SqlParameter("@category", SqlDbType.VarChar, 64),
new SqlParameter("@question", SqlDbType.VarChar, 128),
new SqlParameter("@solution", SqlDbType.VarChar, 128),
new SqlParameter("@time", SqlDbType.SmallDateTime)
};
parameters[0].Value = model.category;
parameters[1].Value = model.question;
parameters[2].Value = model.solution;
parameters[3].Value = model.time;
object obj = DbHelperSQL.GetSingle(strSql.ToString(), parameters);
if (obj == null)
{
return(0);
}
else
{
return(Convert.ToInt32(obj));
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public UFB.Model.Question DataRowToModel(DataRow row)
{
UFB.Model.Question model = new UFB.Model.Question();
if (row != null)
{
if (row["questionID"] != null && row["questionID"].ToString() != "")
{
model.questionID = int.Parse(row["questionID"].ToString());
}
if (row["category"] != null)
{
model.category = row["category"].ToString();
}
if (row["question"] != null)
{
model.question = row["question"].ToString();
}
if (row["solution"] != null)
{
model.solution = row["solution"].ToString();
}
if (row["time"] != null && row["time"].ToString() != "")
{
model.time = DateTime.Parse(row["time"].ToString());
}
}
return(model);
}
private void ShowInfo(int questionID)
{
UFB.BLL.QuestionManager bll = new UFB.BLL.QuestionManager();
UFB.Model.Question model = bll.GetModel(questionID);
this.lblquestionID.Text = model.questionID.ToString();
this.txtcategory.Text = model.category;
this.txtquestion.Text = model.question;
this.txtsolution.Text = model.solution;
this.txttime.Text = model.time.ToString();
}
public void btnSave_Click(object sender, EventArgs e)
{
string strErr = "";
if (this.txtcategory.Text.Trim().Length == 0)
{
strErr += "category不能为空！\\n";
}
if (this.txtquestion.Text.Trim().Length == 0)
{
strErr += "question不能为空！\\n";
}
if (this.txtsolution.Text.Trim().Length == 0)
{
strErr += "solution不能为空！\\n";
}
if (!PageValidate.IsDateTime(txttime.Text))
{
strErr += "time格式错误！\\n";
}
if (strErr != "")
{
MessageBox.Show(this, strErr);
return;
}
int questionID = int.Parse(this.lblquestionID.Text);
string category = this.txtcategory.Text;
string question = this.txtquestion.Text;
string solution = this.txtsolution.Text;
DateTime time = DateTime.Parse(this.txttime.Text);
UFB.Model.Question model = new UFB.Model.Question();
model.questionID = questionID;
model.category = category;
model.question = question;
model.solution = solution;
model.time = time;
UFB.BLL.QuestionManager bll = new UFB.BLL.QuestionManager();
bll.Update(model);
Maticsoft.Common.MessageBox.ShowAndRedirect(this, "保存成功！", "list.aspx");
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public UFB.Model.Question GetModel(int questionID)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 questionID,category,question,solution,time from Question ");
strSql.Append(" where questionID=@questionID");
SqlParameter[] parameters =
{
new SqlParameter("@questionID", SqlDbType.Int, 4)
};
parameters[0].Value = questionID;
UFB.Model.Question model = new UFB.Model.Question();
DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
return(DataRowToModel(ds.Tables[0].Rows[0]));
}
else
{
return(null);
}
}
