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QUESTION
Hello everyone since I'm new to C# would like to ask you if there are better ways to import data from DataGridView into Oracle 11g. Best with an example. Here is my current code and I use parameters. Because of my drivers I can't use AddWithValue. Thank you
...ANSWER
Answered 2018-Oct-26 at 10:15my two cents:
1 - why would you read from the grid? have one of your collegues add a single new column in between the existing columns and your code will create garbage. read the values from underlying datasource
2 - why do you recreate the connection for every row? Create it once, open it once, insert x-rows, close it once
3 - i'd likely perform the entire operation with a transaction
QUESTION
{
"_id" : "5b606326502f3f055862cfee",
"Brand" : 5,
"IsPublished" : false,
"RowItems" : [
{
"RowType" : 2,
"Text" : "AAAA11111",
"GroupId" : "22e5293c-2dc2-4159-b290-3c8988a27744",
"LevelIndex" : 1,
"ItemIndex" : 0,
"RowItems" : [
{
"RowType" : 3,
"Text" : "A1",
"TagId" : "5762a47cf5f79234582e5dea",
"GroupId" : "e660cdce-409c-4f51-b4a5-efc9aafc90bd",
"LevelIndex" : 2,
"ItemIndex" : 0,
"RowItems" : []
},
{
"RowType" : 3,
"Text" : "A2",
"TagId" : "5762a476f5f79234582e5d7e",
"GroupId" : "a0206caa-5793-44ba-aabd-19123e4e50f0",
"LevelIndex" : 2,
"ItemIndex" : 1,
"RowItems" : []
},
{
"RowType" : 3,
"Text" : "A3",
"TagId" : "578bda4700380f09e02c4df6",
"GroupId" : "c1760707-09d9-426f-8331-d4d08a1cd916",
"LevelIndex" : 2,
"ItemIndex" : 2,
"RowItems" : [
{
"RowType" : 2,
"Text" : "BBBB",
"GroupId" : "7ee73eb0-52d2-4157-88d8-859bfcb76b17",
"LevelIndex" : 3,
"ItemIndex" : 0,
"RowItems" : [
{
"RowType" : 3,
"Text" : "B1",
"TagId" : "5762a4e0f5f79234582e604f",
"GroupId" : "15f8bf28-8eb4-4d2a-82bf-e4c86e9b78b9",
"LevelIndex" : 4,
"ItemIndex" : 0,
"RowItems" : []
},
{
"RowType" : 3,
"Text" : "B2",
"TagId" : "5762a480f5f79234582e5e12",
"GroupId" : "c299f240-d0dd-402e-a690-3c49e3b6d2b7",
"LevelIndex" : 4,
"ItemIndex" : 1,
"RowItems" : []
}
]
},
{
"RowType" : 2,
"Text" : "CCCC",
"GroupId" : "b1f18c28-5cc5-4e41-81b6-6ab688c6a243",
"LevelIndex" : 3,
"ItemIndex" : 1,
"RowItems" : [
{
"RowType" : 3,
"Text" : "C1",
"TagId" : "578bda4700380f09e02c4df6",
"GroupId" : "dc392245-410d-443a-894f-2fbb6c50ec1d",
"LevelIndex" : 4,
"ItemIndex" : 0,
"RowItems" : []
},
{
"RowType" : 3,
"Text" : "C2",
"TagId" : "5762a480f5f79234582e5e14",
"GroupId" : "1f3ed72b-daf9-48c3-a299-4e7ea7d1f347",
"LevelIndex" : 4,
"ItemIndex" : 1,
"RowItems" : []
}
]
}
]
}
]
},
{
"RowType" : 2,
"Text" : "BBBB",
"GroupId" : "1ec01e29-adb7-412f-be92-1a5482ec8311",
"LevelIndex" : 1,
"ItemIndex" : 1,
"RowItems" : [
{
"RowType" : 3,
"Text" : "Marketing aftersales",
"TagId" : "5762a4e0f5f79234582e604f",
"GroupId" : "69358bfb-c32e-4910-93b8-6eeabe36daf4",
"LevelIndex" : 2,
"ItemIndex" : 0,
"RowItems" : []
},
{
"RowType" : 3,
"Text" : "Modern Retailing",
"TagId" : "5762a480f5f79234582e5e28",
"GroupId" : "bad86185-0436-40fb-bff1-50602bd0ea5a",
"LevelIndex" : 2,
"ItemIndex" : 1,
"RowItems" : [
{
"RowType" : 2,
"Text" : "CCCC",
"GroupId" : "da51ea8f-733e-4c19-a546-f90220e28dce",
"LevelIndex" : 3,
"ItemIndex" : 0,
"RowItems" : [
{
"RowType" : 3,
"Text" : "Modern Retailing",
"TagId" : "5762a480f5f79234582e5e98",
"GroupId" : "760e84d7-6a7c-450a-b669-110fe45c2238",
"LevelIndex" : 4,
"ItemIndex" : 0,
"RowItems" : []
},
{
"RowType" : 3,
"Text" : "Modern Retailing case studies",
"TagId" : "578bda4700380f09e02c4df6",
"GroupId" : "5a77c1c5-facf-4088-b4a6-65f4014e8b81",
"LevelIndex" : 4,
"ItemIndex" : 1,
"RowItems" : []
}
]
}
]
}
]
}
],
"CreatedDate" : ISODate("2018-07-31T10:24:54.000Z"),
"CreatedBy" : "AM002GY",
"UpdatedDate" : ISODate("2018-08-24T10:06:04.189Z"),
"UpdatedBy" : "AM002GY"
}
...ANSWER
Answered 2018-Aug-24 at 14:02Welcome to Stack Overflow @ravi-shekhar. Just as a tip for the future, it's good form if you show what you have tried, people will be more inclined to guide you that way.
This answer may help: How to use elemMatch to match nested array
You can look into the usage of $elemMatch
The difficulty may be your nested structures...
If you were searching in your first level of RowItems
you would do a query like this:
QUESTION
I am having some trouble sorting an array by a float value. I have searched around the web, and I understand that I have to use a comparision function, but I am having issues understanding the concept.
I am using this code to read an xlxs file and pushing the values I need to a simpler array. I need to sort this array by the value of the top2box key so the highest value is key 0.
Here is my current code
...ANSWER
Answered 2017-Jul-14 at 10:21You need to save the result of 'sort' like this:
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