/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(OnLineTest.Model.TextBook model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update TextBook set ");
strSql.Append("PaperCodeId=@PaperCodeId,");
strSql.Append("TextBookName=@TextBookName,");
strSql.Append("ISBN=@ISBN,");
strSql.Append("IsVerified=@IsVerified");
strSql.Append(" where TextBookId=@TextBookId");
SqlParameter[] parameters =
{
new SqlParameter("@PaperCodeId", SqlDbType.Int, 4),
new SqlParameter("@TextBookName", SqlDbType.NVarChar, 200),
new SqlParameter("@ISBN", SqlDbType.NVarChar, 50),
new SqlParameter("@IsVerified", SqlDbType.Bit, 1),
new SqlParameter("@TextBookId", SqlDbType.Int, 4)
};
parameters[0].Value = model.PaperCodeId;
parameters[1].Value = model.TextBookName;
parameters[2].Value = model.ISBN;
parameters[3].Value = model.IsVerified;
parameters[4].Value = model.TextBookId;
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 OnLineTest.Model.TextBook DataRowToModel(DataRow row)
{
OnLineTest.Model.TextBook model = new OnLineTest.Model.TextBook();
if (row != null)
{
if (row["TextBookId"] != null && row["TextBookId"].ToString() != "")
{
model.TextBookId = int.Parse(row["TextBookId"].ToString());
}
if (row["PaperCodeId"] != null && row["PaperCodeId"].ToString() != "")
{
model.PaperCodeId = int.Parse(row["PaperCodeId"].ToString());
}
if (row["TextBookName"] != null)
{
model.TextBookName = row["TextBookName"].ToString();
}
if (row["ISBN"] != null)
{
model.ISBN = row["ISBN"].ToString();
}
if (row["IsVerified"] != null && row["IsVerified"].ToString() != "")
{
if ((row["IsVerified"].ToString() == "1") || (row["IsVerified"].ToString().ToLower() == "true"))
{
model.IsVerified = true;
}
else
{
model.IsVerified = false;
}
}
}
return(model);
}
/// <summary>
/// 增加一条数据
/// </summary>
public int Add(OnLineTest.Model.TextBook model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into TextBook(");
strSql.Append("PaperCodeId,TextBookName,ISBN,IsVerified)");
strSql.Append(" values (");
strSql.Append("@PaperCodeId,@TextBookName,@ISBN,@IsVerified)");
strSql.Append(";select @@IDENTITY");
SqlParameter[] parameters =
{
new SqlParameter("@PaperCodeId", SqlDbType.Int, 4),
new SqlParameter("@TextBookName", SqlDbType.NVarChar, 200),
new SqlParameter("@ISBN", SqlDbType.NVarChar, 50),
new SqlParameter("@IsVerified", SqlDbType.Bit, 1)
};
parameters[0].Value = model.PaperCodeId;
parameters[1].Value = model.TextBookName;
parameters[2].Value = model.ISBN;
parameters[3].Value = model.IsVerified;
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 OnLineTest.Model.TextBook GetModel(int TextBookId)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 TextBookId,PaperCodeId,TextBookName,ISBN,IsVerified from TextBook ");
strSql.Append(" where TextBookId=@TextBookId");
SqlParameter[] parameters =
{
new SqlParameter("@TextBookId", SqlDbType.Int, 4)
};
parameters[0].Value = TextBookId;
OnLineTest.Model.TextBook model = new OnLineTest.Model.TextBook();
DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
return(DataRowToModel(ds.Tables[0].Rows[0]));
}
else
{
return(null);
}
}
