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Violation of PRIMARY KEY constraint 'PK_droughtDataTable_1'.

Posted By:      Posted Date: September 15, 2010    Points: 0   Category :ASP.Net
 
 Hello, I have a droughtDataTableAdapter which has the sqlINSERT INTO [droughtDataTable] ([StateName], [Moist], [Drought], [region], [district], [ID]) VALUES (@StateName, @Moist, @Drought, @region, @district, @ID) In the code I have the codeDataSet1TableAdapters.droughtDataTableAdapter k1 = new DataSet1TableAdapters.droughtDataTableAdapter(); for (int a = 0; a <= 254; a++) { k1.FillDrought( k[a][0], double.Parse(k[a][9]), double.Parse(k[a][12]), 1, k[a][1],a); }   However I got an error Violation of PRIMARY KEY constraint 'PK_droughtDataTable_1'. Cannot insert duplicate key in object 'dbo.droughtDataTable'. The question is that I don't have 'droughtDataTable_1', where is from for "_1"? The definition of the table droughtDataTable isStateName nchar(10) Moist float Drought float region smallint district varchar(50) ID int (Primary Key)   Thanks for help.


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