datarow

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How to Assign a datarow object in .NET 1.1

currently I am doing this... object s = new object(); s = mydatarow[\"mycolumn\"]; What I would like to do is...[详细]

2022-12-22 22:46 分类：问答
Object Reference Error filling a datarow

This is the code: Dim dr() As DataRow = DataSet.Tables(\"TableName\").Select(\"EVENTNAME = \'\" & name & \"\'\")[详细]

2022-12-21 14:01 分类：问答
Suppress Crystal Reports section if there are no rows in a datatable

I have a section in a Crystal Report that I want to suppress. I need to suppress it if there are 0 rows in a particular开发者_运维技巧 table in the dataset I am using. How would I do this? The Record[详细]

2022-12-21 00:15 分类：问答
About Marc Gravell's RowWrapperDescriptor for binding System.Data.Rows to PropertyGrid

I came across Marc Gravell\'s elegant and witty solution to the problem posted by Matt ( title \"C#/winforms: how to开发者_StackOverflow中文版 best bind a propertygrid and a System.Data.DataRow\" ), a[详细]

2022-12-20 05:32 分类：问答
Check Constraints on DataRow Add

DataTable dt = new DataTable(); dt.Columns.Add(new DataColumn(\"ValueOne\",typeof(string)){AllowDBNull = false});[详细]

2022-12-17 17:26 分类：问答
how to return single row using TableAdapter

Hi I am currently using TableAdapter that returns a dataTable, which is fine to use when result table should have more than one row like :[详细]

2022-12-16 18:03 分类：问答
Ruby On Rails: Fetching records

I\'m looking for a tutorial or a piece of code that can leads me to create a page where we can find only 10 data rows开发者_Python百科 per page and navigating with Ajax previous/next arrows[详细]

2022-12-16 11:42 分类：问答
How to check if a column with a given name exists in a datarow

I want to insert a value from loop in datarow so before entering value in datarow, I want to check that a perticular colu开发者_StackOverflowmn NAME exist in table or not. Please tell me how can I che[详细]

2022-12-15 17:19 分类：问答
Mapping special null constant values into DBNull in a DataTable

I\'m working with an existing object framework that uses special values to represent NULL for primitives int, DateTime, long. Data containing these values are added to a Data开发者_运维知识库Table and[详细]

2022-12-14 14:21 分类：问答
Handle DataTable.DataRow cell change event

I have a DataTable that has several开发者_如何学编程 DataColumns and DataRow. Now i would like to handle an event when cell of this DataRow is changed. How to do this in c#?It looks as though the Data[详细]

2022-12-10 20:36 分类：问答