tableadapter

Updating MS Access Database from Datagridview

由 二次信任 提交于 2019-12-10 22:45:00
问题 I am trying to update an ms access database from a datagridview. The datagridview is populated on a button click and the database is updated when any cell is modified. The code example I have been using populates on form load and uses the cellendedit event. private OleDbConnection connection = null; private OleDbDataAdapter dataadapter = null; private DataSet ds = null; private void Form2_Load(object sender, EventArgs e) { string connetionString = "Provider=Microsoft.ACE.OLEDB.12.0;Data

How To Set a Value to a TableAdapter Parameter

由 只愿长相守 提交于 2019-12-10 21:15:47
问题 Goal I want to be able to have two ComboBoxes where one is the parent or owner of the second one. This means that whenever I select a value in the first ComboBox , the second ComboBox will filter it's results to display the corresponding values related to the first ComboBox . For example: Note: This example has been completed programmatically... I want to figure out how to do it using the user interface of Visual Studio Current Situation I have a dataset with two DataTables like so: As you

Paremeters in TableAdapter not accepted

由 自闭症网瘾萝莉.ら 提交于 2019-12-10 20:34:21
问题 I'm currently trying to set up my TableAdapters, but it doesn't allow me to use parameters (what makes it quite useless) - When I create a new Query SELECT users.* FROM users WHERE name LIKE @name It tells me there is a SQL-Error near '@' ... I'm using VS08 with C# and an Access-Database using OleDB-Driver 回答1: Look here: How to: Create Parameterized TableAdapter Queries When constructing a parameterized query, use the parameter notation specific to the database you are coding against. For

DataGridView does not refresh after dataset update vb.net

由 做~自己de王妃 提交于 2019-12-10 16:45:22
问题 I have a vb.net form with a dataGridView The dataGridView data source is the dgvTableAdapter with this sql statement SELECT membres.ID, membres.refere_par, bands.titre, membres_1.prenom & ' ' & membres_1.nom AS reference_nom FROM ((bands INNER JOIN membres ON bands.ID = membres.[band]) INNER JOIN membres membres_1 ON membres.refere_par = membres_1.ID) I delete membres from the membres Table like this ' Get member id Dim userId As Integer userId = DataGridView1.Item( 0,0).Value ' Delete the

Incorrect ID is returned after insert using TableAdapter

由 馋奶兔 提交于 2019-12-08 19:37:50
问题 When I perform an insert with TableAdapter: int pid = this.purchaseTableAdapter.Insert(supplierid, datetime, "", totalprice, amountpaid); It returns the incorrect id 1 while it should return 15. How to get the correct ID? 回答1: set the execute mode property to Scalar , then you get the ID, otherwise the rows-affected. You set the property properties window of the query not in the Query wizard. (fig 28) 回答2: The table adapter returns the number of rows affected not the id. 回答3: I'm assuming

ADO.NET databinding bug - BindingSource.EndEdit() changes current position

由 一曲冷凌霜 提交于 2019-12-08 02:04:37
问题 What is the correct order of processing an insert from a data-bound control using BindingSource, DataSet, and TableAdapter? This is causing me eternal confusion. I have a form that is used to add a new row. Before showing the form, I call: bindingSource.AddNew(); bindingSource.MoveLast(); Upon Save, I call: bindingSource.EndEdit(); tableAdapter.Insert([the row given to me as bindingSource.Current]); The problem is that if I don't call EndEdit() , the changes of the TextBox with the current

Using DataGridView to Update Multiple Tables

由 六月ゝ 毕业季﹏ 提交于 2019-12-07 23:51:33
问题 On a VB.NET 2008 form I have a DataGridView, BindingSource and TableAdapter. The BindingSource DataSource is a dataset. In the dataset I have a Fill command that joins three tables and this is displayed without a problem in the DataGridView. However, I am unable to Update the dataGridView because it has multiple tables from a single TableAdapter? Does anyone know a simple way I can update. The tables has over 200 columns and I only want to update the columns that are changed. If I use a

How to get the executing SQL query from a table adapter? [duplicate]

由 馋奶兔 提交于 2019-12-07 14:37:45
问题 This question already has answers here : Closed 7 years ago . Possible Duplicate: How to get the generated SQL-Statement from a SqlCommand-Object? I would like to know how to retrieve the SQL query that was executed by a Table Adapter for logging purposes. For example: Input: RandomTableAdapter tableAdapter = new RandomTableAdapter(); tableAdapter.Insert("val","val","val","val"); Output: What I would like to log is the insert statement, which is generated by the table adapter in order to

ADO.NET databinding bug - BindingSource.EndEdit() changes current position

由 十年热恋 提交于 2019-12-06 06:13:48
What is the correct order of processing an insert from a data-bound control using BindingSource , DataSet , and TableAdapter ? This is causing me eternal confusion. I have a form that is used to add a new row. Before showing the form, I call: bindingSource.AddNew(); bindingSource.MoveLast(); Upon Save, I call: bindingSource.EndEdit(); tableAdapter.Insert([the row given to me as bindingSource.Current]); The problem is that if I don't call EndEdit() , the changes of the TextBox with the current focus are not saved if I do call EndEdit() , the BindingSource's Current member no longer points to

How to get the executing SQL query from a table adapter? [duplicate]

由 ε祈祈猫儿з 提交于 2019-12-06 02:32:01
This question already has answers here : Closed 7 years ago . Possible Duplicate: How to get the generated SQL-Statement from a SqlCommand-Object? I would like to know how to retrieve the SQL query that was executed by a Table Adapter for logging purposes. For example: Input: RandomTableAdapter tableAdapter = new RandomTableAdapter(); tableAdapter.Insert("val","val","val","val"); Output: What I would like to log is the insert statement, which is generated by the table adapter in order to execute the insert command. Insert INTO RandomTable VALUES ('val', 'val', 'val', 'val'); How can I do this?
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