/// <summary>
/// 更新一条数据
/// </summary>
public void Update(Tunnel.Model.Tunnel_Chat model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update Tunnel_Chat set ");
strSql.Append("Chat_UserID=@Chat_UserID,");
strSql.Append("Chat_UserName=@Chat_UserName,");
strSql.Append("Chat_Content=@Chat_Content,");
strSql.Append("Chat_Date=@Chat_Date,");
strSql.Append("Chat_State=@Chat_State,");
strSql.Append("Chat_ToUserID=@Chat_ToUserID");
strSql.Append(" where Chat_ID=@Chat_ID ");
SqlParameter[] parameters =
{
new SqlParameter("@Chat_ID", SqlDbType.BigInt, 8),
new SqlParameter("@Chat_UserID", SqlDbType.BigInt, 8),
new SqlParameter("@Chat_UserName", SqlDbType.VarChar, 50),
new SqlParameter("@Chat_Content", SqlDbType.VarChar, 200),
new SqlParameter("@Chat_Date", SqlDbType.DateTime),
new SqlParameter("@Chat_State", SqlDbType.Int, 4),
new SqlParameter("@Chat_ToUserID", SqlDbType.BigInt, 8)
};
parameters[0].Value = model.Chat_ID;
parameters[1].Value = model.Chat_UserID;
parameters[2].Value = model.Chat_UserName;
parameters[3].Value = model.Chat_Content;
parameters[4].Value = model.Chat_Date;
parameters[5].Value = model.Chat_State;
parameters[6].Value = model.Chat_ToUserID;
DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public Tunnel.Model.Tunnel_Chat GetModel(long Chat_ID)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 Chat_ID,Chat_UserID,Chat_UserName,Chat_Content,Chat_Date,Chat_State,Chat_ToUserID from Tunnel_Chat ");
strSql.Append(" where Chat_ID=@Chat_ID ");
SqlParameter[] parameters =
{
new SqlParameter("@Chat_ID", SqlDbType.BigInt)
};
parameters[0].Value = Chat_ID;
Tunnel.Model.Tunnel_Chat model = new Tunnel.Model.Tunnel_Chat();
DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
if (ds.Tables[0].Rows[0]["Chat_ID"].ToString() != "")
{
model.Chat_ID = long.Parse(ds.Tables[0].Rows[0]["Chat_ID"].ToString());
}
if (ds.Tables[0].Rows[0]["Chat_UserID"].ToString() != "")
{
model.Chat_UserID = long.Parse(ds.Tables[0].Rows[0]["Chat_UserID"].ToString());
}
model.Chat_UserName = ds.Tables[0].Rows[0]["Chat_UserName"].ToString();
model.Chat_Content = ds.Tables[0].Rows[0]["Chat_Content"].ToString();
if (ds.Tables[0].Rows[0]["Chat_Date"].ToString() != "")
{
model.Chat_Date = DateTime.Parse(ds.Tables[0].Rows[0]["Chat_Date"].ToString());
}
if (ds.Tables[0].Rows[0]["Chat_State"].ToString() != "")
{
model.Chat_State = int.Parse(ds.Tables[0].Rows[0]["Chat_State"].ToString());
}
if (ds.Tables[0].Rows[0]["Chat_ToUserID"].ToString() != "")
{
model.Chat_ToUserID = long.Parse(ds.Tables[0].Rows[0]["Chat_ToUserID"].ToString());
}
return(model);
}
else
{
return(null);
}
}
/// <summary>
/// 增加一条数据
/// </summary>
public int Add(Tunnel.Model.Tunnel_Chat model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into Tunnel_Chat(");
strSql.Append("Chat_UserID,Chat_UserName,Chat_Content,Chat_Date,Chat_State,Chat_ToUserID)");
strSql.Append(" values (");
strSql.Append("@Chat_UserID,@Chat_UserName,@Chat_Content,@Chat_Date,@Chat_State,@Chat_ToUserID)");
strSql.Append(";select @@IDENTITY");
SqlParameter[] parameters =
{
new SqlParameter("@Chat_UserID", SqlDbType.BigInt, 8),
new SqlParameter("@Chat_UserName", SqlDbType.VarChar, 50),
new SqlParameter("@Chat_Content", SqlDbType.VarChar, 200),
new SqlParameter("@Chat_Date", SqlDbType.DateTime),
new SqlParameter("@Chat_State", SqlDbType.Int, 4),
new SqlParameter("@Chat_ToUserID", SqlDbType.BigInt, 8)
};
parameters[0].Value = model.Chat_UserID;
parameters[1].Value = model.Chat_UserName;
parameters[2].Value = model.Chat_Content;
parameters[3].Value = model.Chat_Date;
parameters[4].Value = model.Chat_State;
parameters[5].Value = model.Chat_ToUserID;
object obj = DbHelperSQL.GetSingle(strSql.ToString(), parameters);
if (obj == null)
{
return(1);
}
else
{
return(Convert.ToInt32(obj));
}
}
